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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.