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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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