Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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