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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.