FITBOOK magazine for fitness, health and nutrition

What Does Jessica Biel's Workout Look Like?

Hollywood Star How the Fit Jessica Biel Changed Her Workouts After 40

What do Jessica Biel's workouts look like, which give her impressive arm muscles, among other things? They're certainly different from what they used to be.

Pathogen What Is the Bornavirus and How Dangerous Is It?

Bornavirus in Humans: Rare but Often Deadly FITBOOK explains everything about symptoms, spread, and new cases.

Alleviating Symptoms Through Diet May Help With ADHD: The Rules of the Oligoantigenic Diet

The oligoantigenic diet is considered beneficial for ADHD. Nutritionist Beke Enderstein explains how those affected can best benefit.

Tips From a Pro Runner How to Run Faster

Many amateur runners train and train—yet they don't get faster. An expert reveals what might be causing this.

Quits Civil Service Job Record Attempt! Former Teacher, 35, Aims to Complete 60 Ironman Races in 60 Days

Ultra-athlete Josefine Rutkowski plans to tackle 60 long-distance triathlons. The start is set for July—a historic endurance project.

Study Discovers Study Discovers Connection Between Contraceptives and Stroke

Do hormonal contraceptives increase stroke risk? An international study provides concerning evidence. FITBOOK analyses the study.

All the Facts New Coronavirus Variant on the Rise: What We Know About NB.1.8.1

A new coronavirus variant called NB.1.8.1 is causing concern. But how dangerous is it? And do existing COVID-19 vaccines work against it?

Proper Nutrition Can Affect the Course of Osteoarthritis

Protect and Strengthen Joints Do You Have Osteoarthritis? What to Watch for in Your Diet

Arthritis is a painful joint disease. The right diet can help alleviate symptoms. Here's what to keep in mind.

Singer Jessie J was diagnosed with early-stage breast cancer.

"Price Tag" Singer Jessie J Has Early-Stage Breast Cancer

Pop star Jessie J has been diagnosed with early-stage breast cancer and announces surgery. Her openness draws attention to early symptoms. FITBOOK provides insights.

Health ›

Reduced Risk of Illness Weight Loss at This Age Can Extend Life, Study Finds

Weight loss in middle age reduces the risk of cancer, diabetes, and heart disease, according to a new study. FITBOOK analyses the study.

Risk Factors, Treatment What Is Osteoarthritis and What Are Its Symptoms?

Osteoarthritis is a joint disease often accompanied by pain. Learn all about its symptoms, causes, and treatment options.

Experts Explain What to Do When the Baby Cries?

When Babies cry, they are communicating. Experts offered FITBOOK tips on managing stress and finding help.

Consequences of Doping and Substance Abuse Study Reveals Shocking Heart Death Rates Among Bodybuilders

First systematic study shows bodybuilders have a significantly increased risk of sudden cardiac death. FITBOOK took a closer look.

Study Confirms Connection Complex Sleep Heart Rate May Protect Against Cognitive Decline

Researchers show for the first time a link between heart rate during sleep and the risk of developing dementia.

Shortness of Breath, Blood Poisoning, Cardiac Arrest What Makes the Bite of the Black Fly So Dangerous?

A black fly is tiny, but its bite is extremely painful and dangerous. Scratching the wound can lead to serious consequences.

Physically and Mentally Large Study Shows Link Between Low IQ and Susceptibility to Illness

A new study shows that a low IQ can increase the likelihood of various illnesses over a lifetime. FITBOOK examines the study.

Effects of Chronic Stress Do Overtime Hours Affect the Brain? New Study Shows Measurable Brain Changes

Long working hours can be stressful—and may even lead to physical changes in the brain, according to a new study.

Strong Painkiller Fentanyl: The Dangers of the 'Zombie Drug'

Fentanyl is increasingly being abused as a drug. Why this opioid is so dangerous and what is currently happening in Germany.

Nutrition ›

Study Mediterranean and Keto Diets Compared: Effects on Weight and Blood Pressure

A study examined the effects of keto and Mediterranean diets on weight and cardiovascular risk factors. FITBOOK presents the findings.

Expert Tips 3 Methods to Preserve Vitamins While Cooking

Vegetables are packed with vitamins, provided they are not destroyed during cooking. Here are methods to preserve vitamins when cooking.

Consumer Advocates Provide Clarity Is Sea Salt Better Than Regular Table Salt?

Sea salt is believed to contain more minerals, such as iodine, and was long considered healthier. However, consumer advocates clarify that this is a misconception.

Bananas may seem less exotic than goji berries, but they definitely qualify as superfoods.

Underrated Superfood 7 Reasons to Eat a Banana Every Day

Eating a banana every day can boost your mood, relieve cramps, and stimulate digestion. Here's what else these energy-packed fruits contain.

FITBOOK Editor My 3 Favorite Asparagus Recipes–All from the Air Fryer

Air fryer asparagus made easy: FITBOOK shares three simple and delicious recipes for the asparagus season.

Nutrition The 8 Best Probiotic Foods for a Gut-Friendly Diet

With probiotic foods, you can specifically nourish beneficial bacterial cultures. Ideal for a gut-friendly diet.

Kiwis Said to Have a Positive Effect on Sleep

Overview of the Research Situation Eating Before Bed: The Surprising Effects of Kiwis

Kiwis Are Said to Improve Sleep–Is That True? FITBOOK Editor-in-Chief Nuno Alves has reviewed studies and shares his experiences.

Expert Examines How Healthy Are Psyllium Husks Really?

They are said to be gut-friendly and aid in weight loss. But how healthy psyllium husks really are is revealed by an expert.

Green tea is one of the beverages that can positively affect cholesterol levels.

State of Research 6 Drinks That Positively Affect Cholesterol Levels

FITBOOK lists beverages that, along with a health-promoting lifestyle, can positively influence cholesterol levels.

Fitness ›

Training of the Bodybuilding Legend Arnold Schwarzenegger's 20-Minute Workout Sets Muscles on Fire

Arnold Schwarzenegger has shared a workout that trains all major muscles in 20 minutes. Find out which exercises he relies on at FITBOOK.

How Does Our Anatomy Affect the Sports We Play?

Research Good at Swimming Without Training? How Anatomy Influences Athletic Success

Does anatomy—or rather, sports—make a difference in terms of success or failure in athletics? There are indications that it does.

FITBOOK author Nina Ponath was left with a lasting impression from school sports that she wasn't athletic enough.

Experience of FITBOOK Author "I Was Terrible at School Sports! It Was Much Later That I Discovered My Passion for Sports."

Did school sports once demotivate you and make you feel like you weren't athletic enough? Here's how to overcome that.

Gluteal Muscles 5 Ideas for a Creative Booty Workout

Not a fan of squats? FITBOOK has five creative exercises for your glutes that will keep your gym routine exciting.

Jackie Chan at a Premiere for "Karate Kid: Legends"

FITBOOK Interview on "Karate Kid" Jackie Chan: "Yes, I'm 71—But I Can Still Move!"

Ben Wang is the new Karate Kid in "Karate Kid: Legends"—joined by Jackie Chan and the original Karate Kid, Ralph Macchio.

5 Isometric Plank Variations for a Strong Core

Deep Musculature 5 Isometric Plank Variations for a Stable Core

These isometric plank variations for the core primarily target the deep muscles. The focus is on body tension, control, and stability.

FITBOOK Interview Fitness Icon Mark Lauren: "I Want Training to Be as Addictive as Possible"

Training With Your Own Body Weight: Mark Lauren's Principles for Real Progress in Just Minutes a Day

FITBOOK editor Anna Echtermeyer was undeterred by a critical running coach while jogging.

FITBOOK Editor "You Run Like a Giraffe!" After a Running Coach Dismissed Me, I Really Took Off

After a hurtful comment from a running coach, FITBOOK editor Anna Echtermeyer embarked on her own running journey.

Training Method from the U.S. Fitboxing: What Lies Behind the Intense Workout

In fitboxing, strength, music, and martial arts are combined. What effect does this training have on the body and mind?

Mind & Body ›

Fatal familial insomnia is a rare and deadly sleep disorder.

Expert Explains Fatal Familial Insomnia – Symptoms of Deadly Sleeplessness

What lies behind fatal familial insomnia, the symptoms associated with it, and what is known about its origins.

Michelle Obama Speaks Openly About Her Life, Including Her Sleep

Former First Lady on Podcast Good Night! Michelle Obama's Routine for Healthy Sleep

Michelle Obama appears to be well-informed when it comes to sleep. She follows several important rules for a healthy night's rest.

Experts Advise Feeling Unmotivated? Here Are Some Tips to Get You Moving and Back to Your Workout Routine

Haven't exercised in a long time? Or never really started with sports? These tips will finally help you find the motivation to get active.

Unhealthy Habit Between Dopamine and Constant Stress: Why We Reach for Our Phones So Often

How dopamine and smartphone stimuli affect our sense of happiness—and what truly helps against digital overload, as explained by FITBOOK.

Study What Happens in the Male Brain During Sex? Researchers Make Astonishing Discovery

What happens in the male brain during sex? A mouse study of all things provides exciting clues. What they mean.

Social Media Trend What Is Behind "Sleepmaxxing" and What Are Its Benefits?

"Sleepmaxxing" stands for the optimization of sleep quality and a social media trend. FITBOOK spoke to an expert about it.

Study Eating These Fruits Can Reduce Your Risk of Depression By 20 Percent

Diet can influence the risk of depression — according to a study, citrus fruits can reduce this risk. FITBOOK analyses the results.

Not Just Genetic Possible Reasons for Gray Hair at a Young Age

Why do some people go gray early? Researchers are on the trail of a cause for sudden gray hair that has nothing to do with genes.

Study on Mice Can an Ingredient in Tomatoes Alleviate Depression?

Researchers set out to find an alternative treatment for depression. They studied the influence of tomatoes on depression.