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

With a time of 3:24:07 at the Tokyo Marathon 2025, pop star Harry Styles is among the top 15 percent. How did he do it?

Many women already have perimenopause symptoms at the age of 30 — but the correct diagnosis is often lacking. Read more on FITBOOK.

White skin cancer can be easily removed surgically - however, one form, squamous cell carcinoma, is particularly difficult to detect.

Not only smoking, but also circadian rhythm disorders are a risk factor for the development of lung cancer.

Depending on genes, we are more or less protected against subtypes of viruses by the flu vaccine. An astonishing discovery has been made.

Researchers analyzed 3 psychopathic traits in volunteers. A picture shown afterwards revealed a sign of psychopathy.

BJJ black belt Ridrigo Lima Fernandes talks about the strategy and fascination of Brazilian Jiu-Jitsu in a FITBOOK interview.

Encephalitis, i.e. inflammation of the brain, can manifest itself through various symptoms. These are the warning signs.

Many people complain of joint pain when the weather changes. How does a joint specialist assess this phenomenon?

Bitter substances can apparently provide effective protection against obesity and even diabetes. Will they soon replace Ozempic and Co.?

A runny nose and a sore head: the threat of rhinosinusitis. An expert explains what helps and what doesn't help with sinusitis:

A naturopath and a dermatologist discussed the health benefits of honey at a FITBOOK event. Read what they had to say.