The magazine for fitness, health and nutrition

How much sugar toddlers consume early on could affect their risk of developing Alzheimer's later in life, according to a study.

Arnold Schwarzenegger Reveals His Personal Bests in Strength Training This is how strong the bodybuilding icon was in bench press, squat, and deadlift.

Can a father's diet affect a baby's development? A new study examines the impact on birth weight

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

When grilling, bacteria multiply particularly quickly. These simple tips can help prevent food poisoning.

A researcher from the University of Cambridge believes the protein intake recommendations are too low. Here's why.

Some smokers appear to be "spared" from cancer due to a genetic peculiarity. Recent research supports this theory.

Can Sparkling Water Harm Your Teeth? New Research Reveals the Truth Behind the Carbonation and Enamel Myth

Jet lag may affect more than just sleep: A review suggests that long-distance travel could also impact the gut.

Regularly watching television for extended periods measurably changes the brain. According to a study, binge-watching affects women and men differently.

Living longer doesn't automatically mean living healthier, a study finds. FITBOOK explains the background.

A major study shows that not only exercise but also its pattern could influence the risk of dementia.

A new study shows that eating too much red meat may increase the risk of pancreatic cancer.

Researchers have studied the impact of Viagra on the spread of cancer and made a surprising discovery.

Vitamin D and sun—many rely on it in summer. A new study reveals surprising findings.

A spouse with dementia increases one's own risk of developing the condition. What the new study from Taiwan reveals.

Raspberries and blackberries are considered "superfoods." But which berry provides more vitamins, fiber, and antioxidants?

Is rapeseed oil really unhealthy? FITBOOK explains the myths about cancer, alzheimer's, heart disease, and weight gain.

Are fruits and vegetables most nutritious when fresh, frozen, or canned? The nutrition expert's answer may surprise you.

FITBOOK explains the nutritional differences and various uses of rolled oats, quick oats, and instant oats.

A recent study by researchers from the United States suggests that yo-yo dieting can significantly affect muscle loss.

Water fills the stomach and can help reduce food intake—a common supposed weight-loss trick. A study questions its effectiveness.

A recent study examines whether filter coffee or instant coffee is healthier and explores the connection to biological aging.

Sleep can affect body fat. The key factor seems to be whether you're an early bird or a night owl. Here's what a study has shown.

Strict diet, intense training, and a gluten-free diet: That's how Matt Damon got in shape. We reveal his potential arm workout.

The challenge is over. Fitness influencer Simon Gronau explains how his body reacted to 100 Hyrox races and why recovery is now important.

From the biggest training hurdle to first success: How a simple trick helped me learn push-ups step by step.

At 65, a world champion coach and more muscular than many pros: FITBOOK showcases Luis de la Fuente's arm training and philosophy.

Strong forearms are an essential part of a balanced upper body workout. Discover which exercises specifically strengthen these muscles here.

FITBOOK fitness expert Alina Bock reveals the best exercises to quickly train for a six-pack.

At 62, he is in the best shape of his life. FITBOOK reveals what Lenny Kravitz's training and nutrition routine looks like in the Bahamas.

With a few simple tricks, you can turn your hotel room into a gym. This way, you don't have to skip your workout while on vacation.

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. This is due to 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

Tracking sleep can become an obsession. Experts refer to this phenomenon as orthosomnia.

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

An evening routine is relaxing. FITBOOK editor Melanie Hoffmann finds that exercise, in particular, helps her fall asleep well at night.

A randomized study shows that just five weeks of supervised Nordic walking can help with depression.

Study Offers Hope: Drug Originally Used for Constipation Eases Depression Symptoms in Just One Week