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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
There are 20 feet of blood vessels in each square inch of human skin.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.