This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Life's Calendar
human anatomy
HUMAN HERAT
Human eye anatomy.
Human chromosomes as seen at metaphase of mitosis in the scanning electron microscope. The replicate
Main components of the human endocrine system and the effects of their secretions