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Asthma cases in Americans are about 75% higher today than they were in 1980.
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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