Vitamin D is found in food and synthesized in the human body from a cholesterol derivative or by the action of sunlight (UVB). It is involved in the absorption of calcium and phosphorus by the intestines, as well as in their reabsorption by the kidneys. Vitamin D has a positive effect on bone
Protection of oneself and others
Vaccination consists of stimulating an immune response in the body by administering a harmless form of an infectious agent (bacteria or virus).
The immune system, having a form of memory, will be more effective and faster to defend the body when it comes into
To achieve sporting performance, the body needs simple things:
It is better to use still water, as bubbles can cause stomach swelling under certain circumstances, which can cause pain. During one and a half hours of (intensive) training, you usually sweat up to one liter of water.