Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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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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Excessive alcohol use costs the country approximately $235 billion every year.
4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ...
The digestive system.
The human digestive system
Conduction system of the heart
System of Equations
The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from