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There are more nerve cells in one human brain than there are stars in the Milky Way.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
There are more bacteria in your mouth than there are people in the world.
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