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Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

