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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.