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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
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.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
Did you know?
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.