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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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Your heart beats over 36 million times a year.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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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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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.