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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Your heart beats over 36 million times a year.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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