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Advance directives (Medical care)

The medical profession in the United States has experienced a shift in ethics and values over the past 3 decades, from a position of paternalism to an

Open Aerobic exercises
Aerobic exercises

( ârō'biks ), [Gr.,=with oxygen], system of endurance exercises that promote cardiovascular fitness by producing and sustaining an elevated heart rate

Agassiz, Louis, 1807-1873

Swiss-born US palaeontologist and geologist who developed the idea of the ice age. He established his name through his work on the classification of

Open Aging

Aging refers to the process of getting older. People age at different rates and in different ways, influenced by cultural, social, biological, and


Agoraphobia is an anxiety disorder that is often associated with panic disorder and can be characterized by panic symptoms, anxiety regarding

Open AIDS (Disease)
AIDS (Disease)

AIDS (acquired immunodeficiency syndrome) is a chronic, life-threatening disease that is caused by the human immunodeficiency virus (HIV). AIDS was

Open Alchemy

( ăl'kӘmē ), ancient art of obscure origin that sought to transform base metals (e.g., lead) into silver and gold; forerunner of the science of

Open Alcohol

Drinking alcohol is both a physical and a cultural act, and alcohol functions as food and as drug. As a food, it provides calories, vitamins, and

Open Alcoholics Anonymous
Alcoholics Anonymous

Alcoholics Anonymous, most commonly referred to as AA, is a support group for individuals seeking to recover from alcoholism. AA was cofounded in

Open Alcoholism

Worldwide, alcoholism is a leading preventable cause of morbidity and mortality. The chronic effects of alcohol overuse are destructive to bodily