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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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