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.
Sometimes, training with one specific weapon will be considered a style of martial arts in its own right, which is especially the case in Japanese martial arts with disciplines such as kenjutsu and kendo (sword), bojutsu (staff), and kyudo (archery).