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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.