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There are more nerve cells in one human brain than there are stars in the Milky Way.
There are more bacteria in your mouth than there are people in the world.
There are 20 feet of blood vessels in each square inch of human skin.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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