Friday, January 25, 2008. A drug is any biological substance, synthetic or non-synthetic, that is taken primarily for non-dietary needs. It is usually synthesized outside of an organism, but introduced into an organism to produce its action. Any substance presented for treating, curing or preventing disease in human beings or in animals. A drug may also be used for making a medical diagnosis or for restoring, correcting, or modifying physiological functions. Any substance, other than food.

Sunday, January 13, 2008. Is a group of diseases. Properties of cancers differentiate them from benign tumors. Cancer may affect people at all ages, even fetuses.

Friday, January 25, 2008. Is the prevention, treatment, and management of illness and the preservation of mental and physical well being through the services offered by the medical. The organized provision of such services may constitute a health care system.

Monday, January 21, 2008. Is applied varies between countries - it is a first professional degree. While in some countries it is a relatively rare higher doctoral. Academic research degree resembling a PhD. For example in the United Kingdom. According to Sir John Bagot Glubb.