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Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Synthesis of the active hormone formed from vitamin D or its precursor in skin. Synthesis of the active hormone formed from vitamin D or its precursor in skin.
Levels of Prevention Levels of Prevention
Some playgrounds near streets with heavy traffic may still have high levels of lead from gasoline ... Some playgrounds near streets with heavy traffic may still have high levels of lead from gasoline ...
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
An overview of the levels of organization in nature An overview of the levels of organization in nature
Video: Dietary Cholesterol & LDL

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