The magazine for fitness, health and nutrition

From Marvel to "Dune"–Josh Brolin, 58, is no stranger to physical challenges. FITBOOK reveals how he stays in shape.

Viral Infection: How to Recognize It, How Long It Lasts, and What Helps Alleviate Symptoms

Forgetfulness in old age isn't necessarily cause for concern—it can, however, indicate the onset of dementia.

The renowned chef is a passionate triathlete. This is how the 60-year-old trains for Ironman competitions and what he focuses on in his diet.

A new study shows peanuts may not only improve blood lipid levels but also potentially lower type 2 diabetes risk.

How much coffee protects the heart? A recent long-term study reveals the daily dose that most significantly reduces the risk of atrial fibrillation.

Many people associate a heart attack with severe chest pain, but in women, the symptoms can actually be quite different.

The potential long-term effects of COVID are well-known. A study has now examined the biological impacts of the stress caused solely by the pandemic.

FITBOOK author Julia Freiberger was diagnosed with hypothyroidism at 17—here's what she experienced afterward:

In addition to the well-known potential health effects of sleep apnea, a study has now also shown impacts on sperm quality.

As people age, their feet can change. For women, hormones might also play a role.

GLP-1 drug users spend more on perfume: How weight loss injections might affect sense of smell and fragrance preferences

Some women over 40 or going through menopause find that they can no longer tolerate alcohol as well. Here's what might be behind it.

Study Links Tight Underwear to Poor Sperm Quality in Men A study involving 26,836 men has found connections between wearing tight underwear and lower sperm quality. Here's what the results mean.

Diabetes remission allows individuals to live symptom-free without medication. A study demonstrates how exercise and diet can contribute.

Tattoos look great but can complicate skin cancer screenings. Preventive care becomes easier if you keep the following in mind.

Prefer a familiar drink over mouthwash? A study shows that a certain juice can inhibit bacteria in plaque.

A breakfast can aid in weight loss by keeping you full longer. Here's why timing is also crucial for metabolism.

Many food scraps end up in the trash, even though they often contain a lot of fiber. A study reveals which plant parts are worth keeping.

How much candy is allowed on Halloween? A pediatrician explains why it's not just about quantity and why bans can be problematic.

Among teenagers, soft drinks are often more popular than fruits and vegetables. How does this affect their mental health? A study has examined this.

A new study links high consumption of ultra-processed foods with increased body fat and changes in the brain.

A new long-term study shows that people who frequently consume sugary drinks have a significantly higher risk of stomach cancer.

A nutrition expert explains when a food is considered highly processed and why, in her opinion, not all of them are unhealthy.

Low-carb, keto, or intermittent fasting? Experts have analyzed the research and revealed what truly matters for weight loss.

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

Nicolas Cage took on a role far outside his personal comfort zone for the biopic "Madden." Here's how he gained 24 pounds.

Training and diet play an important role for "Rolling Stones" star Mick Jagger, 83, in staying fit.

Discover the state of your fitness. FITBOOK presents six strength tests you can easily do yourself.

Cable fly exercises are particularly effective for training the chest. Here's how to perform the exercise correctly.

Burpee Broad Jumps demand strength, endurance, and explosiveness. Here's how to perform them correctly and train specifically for HYROX.

Cardio or strength training? A fitness trainer reveals what to focus on after age 50 to stay healthy and fit.

There are mental tricks for training that help us overcome our inner resistance, as former Navy SEAL Jocko Willink explains.

After losing 34 kilograms, Bautista is gaining weight again. For his role as Kratos in "God of War," he now weighs around 113 kilograms.

A ranking of 505 indoor swimming pools reveals which pools in Germany will be rated the best in 2026.

Sauna every day—FITBOOK editor tried it on vacation. This is how her body reacted to two weeks of daily sauna sessions.

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

Can hard music relieve pain? A study shows that heavy metal fans can endure cold-induced pain longer.

A study shows: Just 10 minutes with your cat can improve your mood. However, the body reacts in a surprising way to time spent with a cat.

In South Korea, people simulate entire meal orders instead of actually placing them. Can this really trick the appetite?

Postpartum depression affects mothers and fathers: FITBOOK explains symptoms, causes, treatment, and the difference from the baby blues.

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?

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