179 guide articles
Understand your health before you test
In-depth guides on symptoms, lab values, prevention and everyday life. Clearly explained, medically sound.
Sexual health
- Do I have chlamydia? Transmission, symptoms & treatment
- Do I have gonorrhea? Transmission, symptoms & treatment
- Do I have trichomoniasis? Infection, symptoms & treatment
- Gonorrhea (Clap) Advice PageComprehensive medical guide to gonorrhea. Learn everything about transmission routes, symptoms in men and women, modern diagnostic methods, and effective treatment approaches.
- HIV advice pageThanks to modern medicine, HIV is now highly treatable. This guide explains how HIV is transmitted, what symptoms can occur, when a test is advisable, and what effective therapy looks like. Empathetic, factual, and without stigma – so you can make informed decisions.EPAALA
- STI Test: Detecting Sexually Transmitted DiseasesSexually transmitted infections: symptoms, protection, and testing recommendations. Learn when an STI test is advisable and how to protect yourself.EPA
- Syphilis GuideSyphilis (lues) is a sexually transmitted infection caused by the bacterium Treponema pallidum, which, if left untreated, can cause severe organ damage through several stages. This evidence-based guide shows you symptoms, testing methods, and treatment options – so you can act early.EPA
Prevention & values
- Atherosclerosis – The silent danger in your blood vesselsTriglycerideLipoproteinApolipoprotein BHbA1c
- Bone health: Preventing osteoporosisStrong bones into old age: Calcium, vitamin D, exercise, and risk factors. The complete guide to osteoporosis prevention and bone building.TestosteronVitamin DCalciumMagnesium
- Cardiovascular prevention from age 35Protect your heart health: Identify risk factors, lower blood pressure and cholesterol. The prevention guide for a healthy heart from age 35.TriglycerideLipoproteinHbA1cCortisol
- Guide to colon cancerEPA
- HbA1c GuideHbA1cCortisolVitamin B12Vitamin B1
- How well are you really supplied with amino acids?Find out how well your body is supplied with essential nutrients with the DoctorBox amino acid test. Convenient sample collection at home, certified lab analysis, and personalized results. Test now!
- Inflammation in the body: Silent InflammationDetecting silent inflammation: CRP, Omega-3 Index, and an anti-inflammatory diet. Learn how chronic inflammation affects your health.CortisolFerritinVitamin DCRP
- Kidney Health: Function, Prevention & NutritionProtect your kidneys: Identify risk factors, eat a kidney-friendly diet, understand warning signs. Find out when a kidney check is advisable.HbA1cAlbuminVitamin DCalcium
- Men's health from age 40: Hormones & preventative careStaying healthy as a man over 40: Testosterone, prostate, cardiovascular system. Which preventative measures are important and when a hormone check makes sense.TriglycerideHbA1cTestosteronSHBG
- Prediabetes guideTriglycerideHbA1cCortisolALA
- Prostate cancer screening: PSA test & early detectionEarly detection of prostate cancer: Understanding PSA levels, preventative care from age 45, and correctly interpreting symptoms. The complete guide to prostate health.PSAALA
- Vitamin D GuideVitamin D is essential for bones, muscles, and the immune system. Many people in our latitudes don't get enough, especially in winter. Here you'll learn evidence-based information on how to recognize a deficiency, test effectively, and take the correct dosage – without overdoing it or taking unnecessary risks.Vitamin DCalcium
- Why should I get tested for vitamin D?
Energy, sleep & stress
- Biohacking: Optimize Body & MindBiohacking for beginners: Data-driven self-optimization from sleep to nutrition. Learn how to improve your health with simple methods.TriglycerideHbA1cCortisolTSH
- Breathing exercises: Breathing techniques for healthLearn conscious breathing: Box breathing, Wim Hof, 4-7-8 technique. How breathing exercises reduce stress, improve sleep, and boost performance.DHAALA
- Chronic Fatigue: Causes & SolutionsConstantly tired? Causes of exhaustion: iron deficiency, thyroid problems, sleep issues. Find out which blood values ​​you should have checked.HbA1cTestosteronCortisolTSH
- Cryotherapy: Ice Bathing & Cold ExposureUsing cold exposure correctly: ice baths, cold showers, Wim Hof ​​Method. Benefits for the immune system, metabolism, and mental strength.CRPEPAALA
- Digital Detox: Reduce Screen TimeDigital detox strategies: Overcoming smartphone addiction, regaining focus, improving sleep. The guide to conscious technology use.EPAALA
- HRV & Regeneration: Optimize RecoveryUnderstanding and utilizing heart rate variability: How HRV tracking improves training and recovery. The guide to data-driven regeneration.ALA
- Improve Focus & ConcentrationMastering Deep Work: Eliminating distractions, achieving flow, and boosting cognitive performance. The guide to deep concentration and mental performance.CortisolFerritinVitamin B12Vitamin D
- Learning Sprints: Learn More EffectivelyScientific learning: Pomodoro, Deep Work, Spaced Repetition. Strategies for better concentration and more efficient learning.Vitamin DEPA
- Overcoming jet lag: Tips for travelersAvoid and overcome jet lag faster: Light therapy, melatonin, sleep hygiene. The scientific guide for frequent flyers and travelers.MagnesiumTyrosineEPADHA
- Preventing burnout: Recognizing warning signsBurnout prevention: Early warning signs, risk factors, and countermeasures. Learn when a stress assessment is advisable.CortisolCRPEPAALA
- Sauna: Health Benefits of Heat TherapySauna bathing for health: cardiovascular health, detoxification, regeneration. The guide to optimal sauna use and safe application.CortisolEPA
- Sleep better: Optimize sleep qualitySolve sleep problems: Sleep hygiene, circadian rhythm, and the causes of poor sleep. Learn how to sleep more restfully and have more energy.CortisolEPAALA
Nutrition
- Alcohol break: Dry January & more30 days without alcohol: What happens in the body? Better sleep, more energy, improved liver function. The complete guide for your alcohol break.TriglycerideGPTGamma-GTMagnesium
- Alternate Day Fasting: Fasting every other dayAlternate-day fasting in detail: How does alternate-day fasting work? Advantages, disadvantages, and scientific findings. Plus: Important blood values ​​for fasters.TriglycerideHbA1cCortisolMagnesium
- Clean Eating: Eat naturally & unprocessedUnderstanding Clean Eating: No additives, real food. Learn how to eat clean, what benefits it offers, and how to integrate it into your daily life.Vitamin B12Vitamin DVitamin B1EPA
- DASH Diet: Lowering Blood Pressure Through NutritionThe DASH diet for high blood pressure: Scientifically proven effective. Learn which foods lower your blood pressure and how to implement the DASH diet.TriglycerideHbA1cVitamin B12Vitamin D
- Dietary supplements: When are they useful?Using supplements correctly: When are dietary supplements useful, and when are they unnecessary? Recognizing quality and avoiding interactions.TestosteronFerritinVitamin B12Vitamin D
- Drinking Right: Hydration & ElectrolytesUnderstanding optimal hydration: How much water do you need? Electrolytes during exercise, recognizing dehydration, and establishing good drinking habits.CalciumMagnesiumEPAALA
- Flexitarians: Flexible vegetarian eatingEating flexitarian: Less meat, more plants. The practical guide to flexible nutrition with tips on nutrient intake and important tests.FerritinVitamin B12Vitamin DVitamin B1
- Glycemic Index: Low-GI DietLow-GI diet for stable blood sugar: Understand the glycemic index, choose the best foods, and avoid cravings. With GI tables and tips.TriglycerideHbA1cEPAALA
- Gut health: Prebiotics & fiberStrengthen your gut flora: microbiome, fiber, and prebiotics. Learn how the right diet can boost your gut health and immune system.Vitamin B12Vitamin DVitamin B1Magnesium
- High-protein diet: Eat protein-rich foodsImplementing a high-protein diet correctly: How much protein do you need? The best sources, optimal distribution, and when an amino acid test is useful.CalciumAlanineArginineGlutamine
- Intermittent Fasting: Instructions, Methods & TipsHow to do intermittent fasting right: 16:8, 5:2 & more. Learn how time-restricted eating works, what benefits it offers, and what you should pay attention to.TriglycerideHbA1cCortisolTSH
- Ketogenic Diet: Keto Nutrition ExplainedUnderstanding the Keto Diet: How does ketosis work? Allowed foods, macros, and important blood values. The complete guide to the ketogenic diet.TriglycerideHbA1cTSHFT4
- Lactose-free diet: Lactose intolerance guideUnderstanding lactose intolerance: symptoms, diagnosis, and a lactose-free diet. Learn which dairy products you can tolerate and how to ensure you're getting enough calcium.AlbuminVitamin B12Vitamin DVitamin B1
- Liver Health GuideGPTGamma-GTBilirubinAlbumin
- Living gluten-free: Celiac disease & sensitivityImplementing a gluten-free diet correctly: Who benefits from it? Hidden sources of gluten, safe alternatives, and tips for everyday life without wheat and other gluten-free foods.Vitamin B12Vitamin DVitamin B1Calcium
- Living sugar-free: 30-day challenge guideStart the sugar-free challenge: 30 days without sugar. Recognize hidden sugars, overcome withdrawal symptoms, and live a low-sugar life in the long term.HbA1cEPAALA
- Low-carb diet: Fewer carbohydratesHow to do low-carb right: Allowed foods, benefits for blood sugar & weight. Learn how a low-carbohydrate diet works and what you need to keep in mind.TriglycerideHbA1cTSHVitamin D
- Low-FODMAP diet: Irritable bowel syndrome nutrition explainedLow-FODMAP diet for irritable bowel syndrome: Which foods to avoid? Three-phase concept, shopping lists, and tips. The complete guide to a low-FODMAP diet.CalciumEPAALA
- Low-fructose diet: Fructose malabsorptionTreating fructose intolerance: Which fruits are allowed? Understanding the fructose-glucose ratio and reducing symptoms. Practical tips for everyday life.CalciumALA
- Meal Prep: Healthy Cooking in Advance & Saving TimeMeal Prep Guide: Plan, prepare, and store meals. Save time and money, and eat healthier with the right preparation strategy.FerritinVitamin B12Vitamin DVitamin B1
- Mediterranean Diet: Mediterranean Diet GuideMediterranean cuisine for your health: olive oil, fish, vegetables & more. Discover why the Mediterranean diet is one of the healthiest ways to eat.TriglycerideLipoproteinHbA1cVitamin B12
- Micronutrients: Vitamin D, B12, Iron & moreThe most important micronutrients explained: Vitamin D, B12, folic acid, iron. Learn about deficiency symptoms, the best sources, and when a blood test is advisable.FerritinVitamin B12Vitamin DVitamin B1
- OMAD Diet: One Meal a Day – Instructions & RisksOMAD explained: Benefits, risks, and practical tips for the one-meal diet. Find out who OMAD is suitable for and which blood values ​​you should have checked.TriglycerideLipoproteinApolipoprotein BHbA1c
- Omega-3: Anti-inflammatory dietUnderstanding Omega-3 fatty acids: EPA, DHA, Omega-6 ratio. Learn which foods have anti-inflammatory properties and when an Omega-3 index is useful.TriglycerideLipoproteinCRPEPA
- Vegan Nutrition: B12, Protein & MoreEating a healthy vegan diet: Everything you need to know about B12, protein, iron, and other critical nutrients. The complete guide to a balanced plant-based diet.AlbuminFerritinVitamin B12Vitamin D
- Vegetarian Diet: Nutrients & TipsLiving a vegetarian lifestyle without deficiencies: Critical nutrients, best protein sources, and practical everyday tips. Plus: Which blood values ​​vegetarians should have checked.TriglycerideFerritinVitamin B12Vitamin D
Sport & training
- 10km Run: Training & PreparationRunning 10km: Training plan for beginners and advanced runners. Pace, nutrition, recovery – the complete guide to your 10km success.EPAALA
- Active Regeneration: Zone 2 & MobilityAccelerate regeneration: Zone 2 training, mobility, recovery strategies. The guide to faster recovery between sessions.
- Adventure travel: Fit for expeditionsPreparing for adventure: fitness, vaccinations, equipment. The guide for off-the-beaten-path travel.EPAALA
- After childbirth: Postnatal recovery & fitnessPostpartum fitness: Pelvic floor, recovery, getting back into shape. The guide for mothers on their way back to fitness.Vitamin DCalciumEPAALA
- Altitude training: Performance through altitudeTraining at altitude: Live High Train Low, simulation, risks. The guide for endurance athletes who want to get more out of themselves.EPAALA
- American Football: Training & AthleticsFootball fitness: strength, explosiveness, position-specific training. The guide to the most complex team sport.EPAALA
- Anti-Aging: Healthy & Fit AgingStaying young longer: Exercise, nutrition, sleep. The evidence-based guide to healthy aging.HbA1cTestosteronCortisolTSH
- Aquabike: Swimming and CyclingMastering Aquabike: For everyone who can't or doesn't want to run. The guide to swim-bike events without a final run.EPA
- Archery: Concentration & Body ControlUnderstanding archery: technique, mental strength, physical preparation. The guide for recreational and competitive archers.EPAALA
- Back after injury: Return to SportComing back after injury: Rehabilitation, progression, mental hurdles. The guide to a safe return to training.EPAALA
- Back fitness: Improve postureGet rid of back pain: Exercises, posture, everyday tips. The guide to a healthy, pain-free back.Vitamin DEPAALA
- Back to training after infectionTraining after a cold or flu: When to start again? The guide for a safe return after infections and illness.FerritinVitamin DCRPEPA
- Badminton: Speed ​​& EnduranceBadminton fitness: The fastest racket sport. The guide to conditioning, footwork, and injury prevention.EPAALA
- Basketball: Training & AthleticsBasketball fitness: Jumping power, endurance, injury prevention. The guide to better performance on the court.EPAALA
- Biathlon: Cross-country skiing meets shootingUnderstanding biathlon: training, shooting technique, heart rate management. The guide to the fascinating mix of endurance and precision.EPAALA
- Bikepacking: Cycling holidays with light luggageGetting started with bikepacking: equipment, planning, first tour. The guide for adventures on two wheels with minimal luggage.EPAALA
- Bloating: Causes & Immediate ReliefHow to get rid of a bloated stomach: diet, habits, when to see a doctor. The guide to combating unpleasant bloating.MagnesiumCRPALA
- Bodybuilding: Muscle Building & DefinitionUnderstanding bodybuilding: training planning, nutrition, posing. The guide to aesthetic muscle building and competition preparation.TestosteronCortisolVitamin DEPA
- Bouldering: Climbing without a ropeLearn to boulder: technique, training, injury prevention. The guide to problem-solving climbing at jumping height.MagnesiumEPAALA
- Calisthenics: Bodyweight TrainingMastering Calisthenics: Progressions for Muscle-Up, Planche, and Handstand. The guide to impressive bodyweight exercises and street workout.EPAALA
- Camping & Outdoors: Healthy outdoor livingOutdoor living: Camping, hygiene, nutrition on the go. The guide to healthy living in nature.CortisolVitamin DEPAALA
- Celiac disease: Living gluten-freeDiagnosing and managing celiac disease: Living strictly gluten-free, avoiding contamination. The guide for those affected.FerritinVitamin B12Vitamin DVitamin B1
- Clear Skin: Understanding & Treating AcneHow to get rid of acne: causes, diet, care. The guide to clear skin without the wait for a dermatologist.TestosteronSHBGCortisolFSH
- Climbing: From Beginner to ClimberGetting started with climbing: technique, belaying, training. The guide for beginners in sport climbing on walls and rock faces.ALA
- Commuter Fitness: Training Despite Travel TimeCommuting and staying fit: Make the most of your free time, find balance. The guide for people with long commutes.CortisolEPAALA
- Core Training: Building Core StabilityStrengthen your core muscles: Planks, Dead Bugs, Anti-Rotation. The guide to a stable torso, less back pain, and better performance.EPAALA
- Cross-country skiing: Training & techniqueLearn to cross-country ski: skating, classic, equipment. The guide to endurance sports in the snow.EPAALA
- CrossFit: Functional Fitness ExplainedUnderstanding CrossFit: WODs, basic exercises, scaling for beginners. The guide to functional training and the CrossFit methodology.TestosteronCortisolEPAALA
- Cycle Sync: Training According to Your Menstrual CycleTraining with your cycle: Understanding and utilizing hormonal phases. The guide to cycle-based training.TSHFT4FT3Ferritin
- Cyclocross: Training for the cyclocross seasonMastering cyclocross: technique, training, race tactics. The guide for the toughest hour in cycling – mud, obstacles, and full throttle.EPA
- DoctorBox Affiliate Program
- DoctorBox subscriptionVitamin B12Vitamin DVitamin B1EPA
- Duathlon: Run-Bike-RunDuathlon training: The alternative for non-swimmers. The guide for run-bike-run competitions and optimal transition training.EPA
- Effective training with limited timeTraining despite limited time: Making the most of 20-30 minutes. The guide for busy people who want to stay fit.TriglycerideHbA1cTestosteronCortisol
- Exercise during pregnancyExercising while pregnant: What's allowed? Safe exercises, limits, trimester adjustments. The guide for active pregnant women.
- Exercise in air pollutionTraining despite particulate matter: When to avoid it, how to protect yourself. The guide for outdoor sports in the city.PollenALA
- Exercise with allergies: Getting through pollen seasonTraining despite allergies: timing, medication, strategies. The guide for athletes who suffer from hay fever.PollenEPA
- Exercise with asthma: Train safelyAsthma and exercise: medication, warm-up, choice of sport. The guide for asthmatics who want to be active.PollenALA
- Fall prevention: Strengthen bones & avoid fallsPreventing falls: Balance training, vitamin D, a safe home. The guide to strong bones and fall prevention in old age.Vitamin B12Vitamin DVitamin B1Calcium
- First 5km run: From the sofa to the finish lineLearn to run 5km: The 8-week plan for beginners. From zero to 5 kilometers with a training plan, tips to avoid beginner mistakes, and motivation strategies.EPAALA
- Fit for creative professions: Designers, musicians, artistsCreative and healthy: posture, breaks, mental health. The guide for people in creative professions.EPAALA
- Fitness for Seniors Over 60Staying fit in old age: Strength training, balance, endurance for people over 60. The guide to health, independence and quality of life.Vitamin DCalciumALA
- Football: Fitness & Injury PreventionFootball fitness: Endurance, speed, injury prevention. The guide for amateur and recreational footballers.EPAALA
- Fructose intolerance: Symptoms & DietUnderstanding fructose malabsorption: diagnosis, permitted foods, everyday life. The guide to living with fructose intolerance.CRPEPAALA
- Functional Training: Get fit for everyday lifeUnderstanding functional fitness: movement patterns, exercises, training plans. The guide to training that makes you stronger in real life.EPAALA
- Golf: Fitness for a better gameGolf fitness: Rotation, stability, mobility. The guide to greater driving distance and less back pain.EPAALA
- Gravel Bike: Training & AdventureGravel riding: equipment, training, route planning. The guide to the most versatile bike for both road and off-road use.EPAALA
- Hair Loss: Causes & SolutionsUnderstanding hair loss: Genetic, hormonal, and nutritional deficiencies. A guide for men and women experiencing hair loss.TestosteronSHBGCortisolTSH
- Half Marathon: Training & PreparationMastering 21km: Planning your half marathon training correctly. Long runs, intervals, nutrition, and mental preparation for your half marathon goal.EPAALA
- Handball: Fitness & PreventionHandball fitness: strength, speed, shoulder health. The guide for handball players from district league to regional league.EPAALA
- Healthy on a budget: Budget fitnessFitness without money: Free workouts, cheap food, DIY equipment. The guide to health on a budget.HbA1cFerritinVitamin B12Vitamin D
- HIIT: High-Intensity Interval TrainingHow to do HIIT correctly: protocols, exercises, recovery. The guide to effective high-intensity interval training and maximum fat burning.CortisolEPAALA
- Hiking & Trekking: The Beginner's GuideLearn to hike: equipment, route planning, fitness. The guide for day hikes and multi-day treks.CortisolEPAALA
- Hockey: Fitness & PreventionField hockey fitness: endurance, back health, prevention. The guide for hockey players of all skill levels.EPAALA
- Home Gym: Effective Training with Minimal EquipmentSetting up a home gym: Minimal equipment, maximum results. The guide to effective strength training at home without expensive equipment.EPAALA
- HPV: Prevention & VaccinationUnderstanding HPV: Human papillomaviruses, vaccination, screening. The guide to preventing HPV-related diseases.EPAALA
- Hygiene on the go: Gastrointestinal protectionAvoiding traveler's diarrhea: Water, food, hand hygiene. The guide to healthy eating in risk areas.EPAALA
- Hypertrophy: Optimize muscle growthMaximum muscle growth: Volume, intensity, progression. The scientific guide to hypertrophy training and effective muscle gain.TestosteronSHBGCortisolTSH
- Indoor Cycling: Roller & Smart TrainerIndoor training: bike trainers, Zwift, structured workouts. The guide to effective training at home when outdoor training isn't possible.MagnesiumEPA
- Intimate flora: Vaginal health for active womenIntimate health during sports: sportswear, sweating, infection prevention. The guide for women who train a lot.EPAALA
- Intimate health for athletic menMale intimate health: Cycling, chafing, prevention. The guide for athletes who spend a lot of time in the saddle or in tight pants.TestosteronPSAEPAALA
- Ironman 70.3: Middle Distance TrainingCompleting a Half Ironman: 1.9km swim, 90km bike, 21km run. The guide to training, nutrition, and race strategy for the middle-distance triathlon.EPA
- Ironman: Long-distance training & preparationFinishing an Ironman: 3.8km, 180km, 42km. The ultimate guide to training, nutrition, and mental preparation for the ultimate distance triathlon.EPA
- Irritable bowel syndrome: Relieving symptomsUnderstanding Irritable Bowel Syndrome: FODMAPs, stress, trigger diary. The guide to a better quality of life with IBS.TSHCRPALA
- Jumping Power Training: Jump Higher & FartherImprove jumping power: Plyometrics, strength training, technique. The guide for athletes who want to increase their vertical and horizontal jumping ability.EPAALA
- Kettlebell Training: Swing, Snatch & MoreHow to use kettlebells correctly: basic exercises, workouts, technique. The guide to effective strength and conditioning training with the kettlebell.TestosteronCortisolTSHFerritin
- Lowering Cholesterol & TriglyceridesOptimize your blood lipids: Lower LDL, raise HDL. The guide to better cholesterol levels through lifestyle.TriglycerideLipoproteinVitamin DEPA
- Marathon Training: Preparing for 42.195kmCompleting a marathon: 16-20 week training plan, long runs, carb-loading, race strategy. The complete guide for your first or fastest 42.195km.EPA
- Menopause & Fitness: Staying Strong Through MenopauseActively managing menopause: Strength training, hormonal changes, symptom relief. The guide for women going through menopause.CortisolVitamin DMagnesiumEPA
- Mobility Training: Improve flexibilityUnderstanding mobility and prehab: Exercises for the hip, shoulder, and ankle. Preventing injuries and systematically building mobility.EPAALA
- Mobility Training: Improve flexibilityUnderstanding mobility and prehab: Exercises for the hip, shoulder, and ankle. Preventing injuries and systematically building mobility.EPAALA
- Mountain biking: Climbing with a road bikeGetting faster uphill: Training, weight, technique. The guide for cyclists who want to conquer Alpine passes and mountain classifications.EPAALA
- Mountain biking: MTB training & techniqueImprove your mountain biking: riding technique, fitness, trails. The guide for cross-country, trail and enduro riders.EPA
- Nail health: What nails revealNails as a health indicator: brittle, discolored, deformed. The guide to healthy fingernails and toenails.TSHAlbuminFerritinVitamin D
- Office Athlete: Staying Fit Despite an Office JobStaying healthy in the office: Movement, posture, eye health. The guide for desk workers who want to stay fit.EPAALA
- Olympic Triathlon: Training & PreparationMastering the Olympic distance: 1.5km, 40km, 10km. The guide to training, transitions, and race strategy for the classic triathlon distance.EPAALA
- Olympic Weightlifting: Snatch & Clean & JerkLearn weightlifting: Technique for snatch and clean & jerk. The beginner's guide to the most technically demanding strength sport.TestosteronTSHFerritinVitamin D
- Open Water Swimming: Open Water GuideSwimming in open water: orientation, waves, wetsuits. The guide for transitioning from the pool to open water.EPAALA
- Orienteering: Navigation & EnduranceUnderstanding orienteering: Read the map, think fast, run fast. The guide for runners who want to combine head and legs.EPA
- Our home tests
- Padel: The trendy sport from SpainLearn padel: Tennis meets squash. The guide to Europe's fastest-growing racket sport.EPAALA
- PCOS: Training & NutritionManaging Polycystic Ovary Syndrome: Exercise, Low-GI Diet, Lifestyle. The Guide for Women with PCOS.HbA1cCortisolVitamin DMagnesium
- Perimenopause: The years before menopauseUnderstanding perimenopause: symptoms, hormonal fluctuations, strategies. The guide for women over 40 experiencing initial changes.CortisolVitamin DCalciumEPA
- Physical work: Fit in the tradesHealthy in the trades: Ergonomics, regeneration, compensatory training. The guide for people with physically demanding jobs.Vitamin DMagnesiumEPAALA
- Plyometric Training: Explosive PowerProperly training plyometrics: Box jumps, depth jumps, bounds. The guide for explosive power, speed, and athletic performance.EPAALA
- Powerlifting: Squat, Bench Press, DeadliftPowerlifting Guide: Mastering the three lifts, training planning, competition preparation. For everyone who wants to become as strong as possible.TestosteronTSHFerritinVitamin D
- Preventing atherosclerosis: Vascular healthPreventing arteriosclerosis: Risk factors, diet, exercise. The guide to healthy blood vessels.TriglycerideLipoproteinApolipoprotein BHbA1c
- Preventive check-ups: Which examinations and when?Preventive care by age: Which check-ups are useful? The guide to proactive health care from 20 to 70+.EPAALA
- RED-S: Relative energy deficiency in sportsRecognizing and treating RED-S: Energy deficiency, hormonal problems, bone loss. The guide for athletes with insufficient calories.CortisolFSHVitamin DCalcium
- Road cycling: Training for road cyclingOptimize your road cycling: endurance, intervals, tactics. The guide for ambitious road cyclists and recreational riders.EPA
- Rosacea: Managing Redness & TriggersUnderstanding rosacea: Identifying triggers, alleviating symptoms. The guide to living with chronic skin redness.
- Rowing: Training on the water & ergometerUnderstanding rowing: technique, training, indoor rowing. The guide to the most complete full-body sport.EPA
- Rugby: Strength, Endurance, Contact SportRugby fitness: Strength for contact, endurance for the game. The guide for rugby players and enthusiasts.EPAALA
- Runner's Stomach: Gastrointestinal Issues While RunningAvoiding stomach problems while running: causes, prevention, and nutrition timing. The guide to combating nausea, cramps, and diarrhea during running.CortisolEPAALA
- Shift work: Healthy despite changing shiftsSurviving shift work: sleep, nutrition, exercise. The guide to health despite irregular working hours.CortisolEPAALA
- Skin protection during sports: sun, cold, frictionProtecting athletes' skin: sun protection, chafing, and skincare. The guide to healthy skin despite intensive training.
- Sport in the heat: heat trainingTraining in extreme heat: Acclimatization, hydration, warning signs. The guide to exercising in hot temperatures.EPAALA
- Sprint Triathlon: Getting Started in the TriathlonFirst triathlon: 750m swim, 20km bike, 5km run. The beginner's guide for training, transitions, and race day strategy.EPA
- Sprint Triathlon: Getting Started in the TriathlonFirst triathlon: 750m swim, 20km bike, 5km run. The beginner's guide for training, transitions, and race day strategy.EPA
- Squash: Fitness for the toughest sportSquash fitness: High-intensity, fast, demanding. The guide to endurance, technique, and injury prevention.PSA
- Standing workstation: Healthy standingUsing a standing desk correctly: posture, changes, and fatigue prevention. The guide to productive and healthy standing.EPAALA
- Staying Healthy on Business TripsStaying fit on a business trip: Hotel workouts, nutrition on the go, jet lag. The guide to healthy business travel.EPAALA
- Staying Healthy While on the Road: Frequent Driver's GuideStaying fit despite travel: Car, hotel, client meetings. The guide for sales representatives and field staff.ALA
- Strength training for women: Cycle-optimizedWomen and strength training: Cycle-based training, debunking myths. The guide for women who want to get strong.TestosteronMagnesiumEPA
- Strength training: Basics for beginnersStarting strength training: The most important exercises, training plans for beginners, progressive overload. The complete guide to getting started.HbA1cTestosteronCortisolEPA
- Student Fitness: Staying Healthy Through Your StudiesStaying fit for your studies: Budgeting, exam stress, sleep deprivation. The guide to healthy student years.ALA
- SUP: Stand Up Paddling GuideLearn stand-up paddleboarding: technique, equipment, training effects. The guide to fitness on the water.FSHVitamin DEPAALA
- Surfing: The Fitness Guide for SurfersGet surf-fit: training, endurance, injury prevention. The guide for everyone who wants to improve on the board.FSHALA
- Swimming training: Get faster in the poolImprove your swimming technique: freestyle, intervals, training plans. The guide to effective swim training in the indoor pool.
- Table Tennis: Reaction & FitnessTable tennis training: reaction speed, footwork, mental focus. The guide to better performance at the table.EPAALA
- Tennis: Fitness & Injury PreventionTennis fitness: Endurance, speed, elbow protection. The guide to better play and fewer injuries.EPAALA
- Time Trial: Optimize Individual Time TrialMastering time trials: Aerodynamics, pacing, position. The guide to the fastest race against the clock.EPA
- Track cycling: Training on the velodromeUnderstanding track cycling: disciplines, technique, getting started. The guide for everyone who wants to discover the velodrome.
- Track training: Intervals & speed workGet faster on the track: intervals, tempo runs, technique drills. The guide to structured track training to improve your running times.EPAALA
- Travel Health: Staying Fit While TravelingTravel healthily: vaccinations, travel medicine kit, exercise on the go. The guide for healthy adventures worldwide.EPAALA
- Ultrarunning: Training for 50km+Mastering the ultramarathon: Training, nutrition, and equipment for distances over 42km. The guide for runners who want to push themselves to the limit and beyond.CalciumEPAALA
- Volleyball: Jumping Power & Shoulder HealthVolleyball training: Jumping power, technique, injury prevention. The guide for indoor and beach volleyball players.
- Water Polo: Training & FitnessPlaying water polo: fitness, technique, team tactics. The guide to the most demanding team sport in the water.EPA
- Water sports: Health & trainingUnderstanding water sports: From swimming to water polo. The guide to training, health and performance in and on the water.FSHMagnesiumEPAALA
- Wearables in training: Using data correctlySmartwatch for training: HRV, sleep, readiness. The guide to data-driven training control and meaningful metrics.TestosteronCortisolFerritinALA
- Winter tours: Outdoors in the snowMastering the winter outdoors: cold, equipment, safety. The guide for hiking, running and cycling in ice and snow.EPAALA