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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
Did you know?
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
Did you know?
The horizontal fraction bar was introduced by the Arabs.