prevention & control

A guide to concussions in youth sports, what they are, how to treat them, and how to protect young athletes.

Traces the history of the smallpox virus, focusing on how the virus may be used as a terrorist weapon in the future and examining the political, biological, environmental, medical, and legal issues surrounding the question of whether the remaining known stocks of the virus should be destroyed.

Explains what calories are, how they function, and how the human body uses them as a source of energy. Reveals why too many or too few calories cause health problems and offers tips on interpreting media in order to ensure one receives only the amount of calories one needs or desires.

Presents a collection of articles from key publications that provides an understanding of the history of global epidemics including AIDS, smallpox, and the Black Death; and describes the various methods used to combat the spread of these diseases.

Discusses the physiological effect stress has and explains the different symptoms, illnesses, and problems stress causes in everyday life; includes information on stress-related diseases, stress management, and coping.