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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.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
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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.
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Your heart beats over 36 million times a year.