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Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.