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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.