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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?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.