According to researchers at Yale University, our friends influence our gut health. Are obesity and depression that contagious?

Max Wilschrey reveals how he prepared for the "Fame Fighting" boxing match and what parallels he sees between soccer and boxing.

According to a Harvard study, a serious nutrient deficiency of four vitamins and minerals affects the entire world population.

If you've already been diagnosed with heart disease, quitting smoking won't help, will it? A surprising study.

Negative effects are often attributed to the use of the internet, but according to one study it can improve memory.

Quinine, which is found in tonic water and bitter lemon, for example, can interact dangerously with medication.

A new study indicates that a certain sleeping position is associated with neurodegenerative diseases such as Alzheimer's.

According to a Cambridge study, saturated fats can increase the risk of death. FITBOOK presents the results of 45 years of research.

Changes in the brain during pregnancy have hardly been studied to date. Now a new study provides exciting findings.

A new report from the American Cancer Society shows that one in eight women will develop breast cancer in her lifetime.

A glass of lemon water in the morning and you'll lose weight? FITBOOK nutrition expert on the link between lemon water and weight loss.

Is honey healthier than sugar? A nutrition expert makes the comparison - with a surprising result. Read more on FITBOOK.

Intermittent fasting can significantly prolong life, according to a new study - at least certain forms of it.

The latest food hype is called "Dubai chocolate" - is this chocolate creation even healthy thanks to its pistachio center?

Height-adjustable desks are said to be healthier than sitting. Can standing compensate for all the sitting at work?