Water properties: The water in you. From USGS’s Water Science college water site.

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Journal of the American Heart Association.

The heart is a muscular organ in humans and other s, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen

Journal of the American Stroke Association. Free searchable table of contents and abstracts from current and past issues as well as e-mail alerts. Full-text access by

Follows the health of an original cohort and two subsequent generations since 1948.

The American Heart Association explains the estimated target heart rates for different ages. Learn how to calculate and monitor your target heart rate, resting heart

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Market Analysis. Cardiology is a branch of medicine dealing with disorders of the heart as well as parts of the circulatory system. The field includes medical

Learn about heart disease symptoms, risk factors and prevention, as well as information on heart attack, heart failure, and heart health.