Pathologies

The adrenal glands are located just above each kidney . They synthesize and release hormones into the blood , notably adrenaline and cortisol , and participate in the endocrine system. The adrenal glands are partly controlled by the brain. The structure of the adrenal glands is made up of two structures: the adrenal medulla, or medulla, located in the center; the adrenal cortex, or...

Why should you moisturize your skin? The skin is made up of 70% water. This water plays an essential role at the skin level : it protects the epidermis , which functions as a barrier , and gives it all its elasticity and suppleness . However, the skin of the face is exposed daily to external aggressions : temperature changes, pollution or even the...

An infection is an invasion of the body by a foreign agent , such as a bacteria or a virus , causing a pathological state by damage to local cells, release of toxic substances or by intracellular germ-antibody reaction. Infections can be quite mild (like a cold) or very serious (leprosy, AIDS). A urinary tract infection can affect several organs of the urinary system...