Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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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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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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