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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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