Adrenal gland disorders are caused by problems with one or both adrenal glands or by problems with other glands, such as the pituitary gland. Specific disorders can develop when the adrenal glands produce too few or too many hormones, or when too many hormones are introduced from an outside source. Cushing's Syndrome.
Martial arts. Martial arts are codified systems and traditions of combat practices, which are practiced for a number of reasons: as self-defense, military and law enforcement applications, mental and spiritual development; as well as entertainment and the preservation of a nation's intangible cultural heritage.
List of martial arts. There are a large number of distinct styles and schools of martial arts. Sometimes, schools or styles are introduced by individual teachers or masters, or as a brand name by a specific gym. Martial arts can be grouped by type or focus, or alternatively by regional origin. This article focuses on the latter grouping.