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Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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There are more bacteria in your mouth than there are people in the world.
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Excessive alcohol use costs the country approximately $235 billion every year.