The magazine for fitness, health and nutrition

Fatherhood dramatically changes the male brain, according to a recent study from Germany.

As women enter menopause, they experience muscle loss more rapidly. Nutrition can help counteract this. An expert explains how.

Why asparagus changes urine and why some people can't smell it.

After 50, muscle mass decreases. Dr. Michael Despeghel explains how men can become more athletic again through training and nutrition.

Sweet potatoes or potatoes: which is healthier? FITBOOK compared the nutritional values of both tubers and consulted with an expert.

Playing tennis, fresh air, and a touch of old money summer: why the new leisure sport became more demanding than expected.

From waste to superfood: what's in bone broth and how healthy is it? Nutrition experts explain.

Former Navy SEAL DJ Shipley explains why effective training doesn't consist of extreme workouts. Instead, he relies on simple routines.

The seating position on a bicycle significantly affects blood circulation in the genital area. Can cycling therefore cause impotence in men?

Muscles build quickly, tendons don't—a chief physician explains how to prevent injuries when returning to sports.

Panettiere's memoir reveals anxiety, hallucinations, and addiction: Why alcohol often becomes a dangerous escape–and why it affected her.

In addition to numerous well-known health benefits, quitting smoking apparently reduces the risk of dementia—under one condition.

How can you tell if you might be at risk for depression? Researchers reveal that grip strength is an indicator of depression risk.

Looking into the eye could provide insight into the risk of osteoporosis—years before bone loss becomes noticeable.

How much alcohol do children and teens drink—and how risky is it for their bodies? Studies and an expert explain.

A new study highlights why diet may be more important for children's asthma risk than previously thought.

Sneaking snacks: Why children hide food and what can be done about it.

The menopause belly is an annoying side effect of menopause. Here's what causes it and which mistakes women should avoid.

Certain dietary supplements should not be taken with coffee due to their inhibitory effects.

How can diet and exercise be flexibly combined? Matthias Steiner explains his daily routine with clear structures.

Oolong tea is more of an insider tip in Germany. FITBOOK explores its health benefits and proper preparation.

Cookbook author Stefano Zarrella reveals what matters most to him in terms of nutrition and fitness—and what his most important supplement is.

Maltitol is a sugar alcohol used as a sweetener. Calories, benefits, and side effects.

Ideal for weight loss, athletes, and diabetes management–that's the promise of Matthias Steiner's low-carb products. But what's really inside?

In the world's five "Blue Zones," people live exceptionally long lives—what drinking habits do centenarians have?

Nonalcoholic beer is often considered healthy and low in calories. But does it actually aid in weight loss? An overview of studies and facts.

Good news for the untrained: Just one hour of exercise can boost the afterburn effect for up to 48 hours.

How does extreme sports change the body? Jonas Deichmann talks to FITBOOK about his 180-kilometer bike tour across Europe.

If you've never done sports or have only done cardio and are wondering how to start strength training effectively, here are some tips.

Which ab exercise works best? Leg raises deliver strong results. Execution, variations, and benefits at a glance.

Rowing, Cycling or Running–Which Endurance Sport Offers What Benefits? FITBOOK fitness expert Alina Bock makes the comparison.

Brain Endurance Training (BET) can enhance both physical and cognitive performance. FITBOOK explains how it works.

Why aren't there visible results? A fitness trainer explains common workout mistakes and effective strategies

Why does the hyped pendulum squat activate the quadriceps so intensely? Discover the benefits, technique, and muscle engagement.

An expert explained to FITBOOK how long and far one should be able to ride a bike to be considered having basic fitness.

Olympic champion Matthias Steiner explains in an interview with Nuno Alves why sleep is the most crucial factor for healthy aging.

Hayden Panettiere spoke openly about her postpartum depression and why her daughter lives with her father, Wladimir Klitschko.

According to a study, loneliness not only negatively affects health and well-being but can even become life-threatening.

FITBOOK explains the causes behind certain phobias, how to identify them, and the best ways to treat them.

Depression, stress, PTSD: Scientists identify the ideal amount of coffee for mental health.

Concerns about health decline have been linked to faster biological aging. Lifestyle may play a role. More on FITBOOK.

Chronobiologist Satchin Panda explains in an interview why many people have sleep problems and why melatonin is often overdosed.

Tattoos or no tattoos: a question of personality? Researchers made intriguing discoveries in their quest for answers.

With the death of a wife, the risk of dementia increases for older men, according to a recent study. Women often fare better after the mourning period.