Natural Family Planning, also called fertility awareness, refers to methods for planning and preventing pregnancies by observation of the naturally occurring signs and symptoms of the fertile and infertile phases of the menstrual cycle. Intercourse is avoided during the fertile ...
Stimulants are drugs that increase certain functions of the central nervous system. These drugs increase mental alertness, reduce hunger, and provide a feeling of well-being. Its medical uses include treatment for narcolepsy - a condition characterized by an overwhelming desire ...
