Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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

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