Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction and burning with a lilac flame.
An antianginal is any drug used in the treatment of angina pectoris, a symptom of ischaemic heart disease.
Anabolic steroids are prescription-only medicines that are sometimes taken illegally to increase muscle mass and improve athletic performance. If used in this way, they can cause serious side effects and addiction. Anabolic steroids are manufactured drugs that mimic the effects of the male hormone testosterone.