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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
The familiar sounds of your heart are made by the heart's valves as they open and close.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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