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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.