When ultraviolet energy is absorbed by the reproductive mechanisms of bacteria and viruses, the genetic material (DNA/RNA) is rearranged and they can no longer reproduce. They are therefore considered dead and the risk of disease has been eliminated.

UV-rays are energy-rich electromagnetic rays that are found in the natural spectrum of the sunlight. They are in the range of the invisible short wave light having a wavelength ranging from 100 to 400 nm (1 nanometre = 10-9m).

"Influenza virus is more likely to be transmitted during winter on the way to the subway than in a warm room," said Peter Palese, a flu researcher who is professor and chairman of the microbiology department at Mount Sinai Medical College in New York and the study's lead author."

A recent research done by National Institute of Child Health and Human Development (NICHD) on influenza virus identified the virus as having "butter-like coating". The coating melts when it enters the respiratory tract. In the winter, the coating becomes a hardened shell; therefore, it can survive in the cold weather similar to a spore. In the summer, the coating melts before virus reaches the respiratory tract.

When you are too hot, the blood vessels in your skin expand (dilate) to carry the excess heat to your skin's surface. You may begin to sweat, and as the sweat evaporates, it helps cool your body.

Originally posted by 0nce 0nce
reply to post by drphilxr

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There is a rumor that a man named Ed Leedskalnin cured himself of advanced tuberculosis by spinning in a swivel chair, in the sunlight, on a clear day between 1:00pm and 3:00pm.

Have you ever herd of that?

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