The magazine for fitness, health and nutrition

Nicotine Pouches Popular Among Teens: Why Doctors Warn of High Addiction Risk, Gum Damage, and Potential Precancerous Conditions

Grapes are healthy. But is it better to choose green or red ones? Find out the role color plays here.

Sylvester Stallone turned 80 on July 6. However, the Hollywood star isn't thinking about retiring and continues to train diligently.

Periodontitis and dementia, including Alzheimer's, are often linked. A study examined which characteristics play a role in this connection.

A survey shows that many patients leave the doctor's office dissatisfied—often because they still have unanswered questions.

A new study suggests that a partner's poor sleep can also negatively affect one's own diet.

Mr. T (born Laurence Tureaud) became famous as the muscle-bound character in "The A-Team." His workout routine was and still is remarkably simple.

Atrial fibrillation is often difficult to diagnose. A study shows how eye scans could provide clues about the heart rhythm disorder.

Malaria is transmitted by infected mosquitoes and can become life-threatening. Here are the symptoms and who is particularly at risk.

A gastroenterologist explains how to recognize the signs of a disrupted intestinal lining and what can be done about it.

Artificial hips, knees, and shoulders can release tiny particles. A new study examines whether these particles can reach the brain.

What do bacteria in the vagina have to do with antibiotic resistance? A study involving over 1,500 pregnant women offers fascinating insights.

How old does a person really sound? Researchers show AI can estimate age from voice with surprising accuracy.

When discussing gut health, the microbiome is unavoidable. Prebiotics and probiotics are highlighed. However, there's an overlooked factor.

What happens when a man hasn't had sex for a long time? FITBOOK Author Laura Pomer talks to a urologist about the consequences.

Certain blood proteins could indicate an increased risk of disease in children, according to a recent U.S. study.

An expert explained to FITBOOK what happens in a woman's body when she has no sex for an extended period.

Cottage cheese is touted as a high-protein food, but this trendy item is often overrated. Here's what a nutrition expert has to say about it.

Collagen for skin, muscles, tendons, bones: what does it really do? Protein researcher Dr. Thorben Aussieker has evaluated the studies.

Tomato paste may offer more than just flavor. A study suggests potential effects on memory, attention, and brain function.

A major European study shows that processed and white meats could increase cancer risk—especially in women.

A meta-analysis involving more than 2 million participants examined the relationship between beverages, depression, anxiety disorders, and stress.

Should you focus on "high protein" or "fiber maxxing"? With these foods, you no longer have to choose.

Some substances found in highly processed foods are linked to depression, according to a study—including color additives.

Those who regularly track their diet using an app tend to lose more weight on average, according to a study. FITBOOK explains the details.

A recent study suggests a link between high concentrations of xylitol in the blood and severe cardiovascular events.

To achieve a toned butt, training for 20 minutes a week is sufficient. You can achieve success with the right exercises and intensity.

Functional ab training instead of classic sit-ups: These 5 exercises strengthen abs and train the whole body simultaneously.

Treadmill or outdoor running? Which burns more calories, protects joints, and boosts mental health? Studies highlight the differences.

A large study shows that when it comes to daily steps, it's not just the number that matters, but also the walking pace.

Pilates instructor Nina Ponath explains which exercises are recommended for the back and how to perform them correctly.

Trainer and FITBOOK expert Alina Bock recommends beginners opt for the lat pulldown instead of free pull-ups for back exercises.

How wrestling legend and action star Dave Bautista ate and trained to lose over 30 kilograms.

The Berlin police are looking for new recruits, but many candidates are failing the entrance test. FITBOOK reveals what is required.

Certain popular gym exercises can endanger your rotator cuff. A chief physician explains how he trains his shoulder depressors.

Starting in the fall, the risk of experiencing the autumn blues or winter depression increases. These tips can help prevent it.

What signs in children might indicate neurodivergence, and when should parents seek professional advice for unusual behavior?

During her vacation, FITBOOK editor Anna Echtermeyer established a daily sauna ritual. What effects did this have?

A new study shows that men born in the summer have an increased risk of depression. More details here.

"Reacher" star discussed in a podcast how a complex post-traumatic stress disorder affects his life.

What is hoddophobia, how can it limit people, and how is it treated? Find out at FITBOOK.

The first night in a new environment often leads to poor sleep. The reason is the "first night effect," which is well-researched.

Three months of panic attacks, a monk, a temple in Kyoto: Millie Bobby Brown reveals how she overcame her worst anxiety.

How Paris Hilton Redesigned Her Home for ADHD–and Why She Speaks Openly About Her Condition Today