| Uspstf Colon Cancer Screening Guidelines | | | | as skin cancer is concerned but recent studies |
| There are three types of electromagnetic | | | | indicate that the cumulative effect can be just as |
| radiation that are emitted by the sun that make it | | | | dangerous as UVB and UVC. UVB is partially |
| through the atmosphere and reach us; ultraviolet | | | | filtered by the earth's ozone layer and is at its |
| radiation, visible light and infrared radiation.Uspstf | | | | greatest intensity at noon. It is currently the most |
| Colon Cancer Screening Guidelines It is the | | | | dangerous form of ultraviolet radiation from the |
| ultraviolet radiation that makes us feel warm | | | | sun and can burn, wrinkle, age your skin and |
| when we are out in the sun but it is also the | | | | cause skin cancer. UVB and UVC cannot go |
| form of sun's radiation that is believed to cause | | | | through glass. UVC is currently completely blocked |
| skin cancer. On the scale of electromagnetic | | | | out in the atmosphere by the earth's ozone layer. |
| waves, visible light is only a very narrow band of | | | | But as the ozone layer recedes there is a danger |
| waves in the middle between ultraviolet and | | | | that more and more UVC will not be filtered out |
| infrared radiation. If you think about visible light as | | | | and contribute to the spread of skin cancer. |
| being the color red at the low frequency end and | | | | Several government agencies and weather |
| going up to the color violet at the high frequency | | | | reporting services have developed a UV Index to |
| end, ultraviolet is the next higher up form of | | | | help people avoid the dangers of UV radiation. The |
| radiation from the visible color violet and infrared | | | | UV index is a number from 0 to 11 or more that |
| is the band of waves just down from the visible | | | | is a daily forecast of the predicted risk if you are |
| color red. You can't see either ultraviolet or | | | | out in the sun too much. A UV index of 2 or less |
| infrared radiation. Except for rare cases, visible | | | | means the risk is low, wear sunglasses if it is |
| light and infrared radiation from the sun are not | | | | bright out and cover up if out for more than an |
| dangerous to your health. Ultraviolet radiation | | | | hour. If the UV index is over 6 many weather |
| however can be very dangerous to your skin and | | | | reporting agencies will issue a UV Warning asking |
| is a significant contributor to skin cancer. | | | | that you actively reduce your exposure to sun |
| Lung Cancer Secrets Revealed Click here | | | | and stay indoors between 11 AM and 4 PM. In |
| There are 3 types of ultraviolet radiation: UVA | | | | most northern climates, the UV index rarely gets |
| (tanning rays). UVB (sunburn rays) and UVC | | | | to 6. |
| (dangerous cancer causing rays). UVA is the | | | | The skins reaction to UV radiation varies widely |
| shortest frequency and longest wavelength of the | | | | from person to person. Heredity, skin coloration |
| three and is not filtered out by the earth's | | | | and exposure to industrial chemicals are all |
| atmosphere at all. Since it is not filter out UVA is | | | | considered to be contributing factors. However, |
| pretty much the same intensity from sunrise to | | | | there is little doubt that the more time you spend |
| sunset. Glass windows do not block UVA. It used | | | | out in the sun the greater is your danger of |
| to be thought that UVA was not a danger as far | | | | getting skin cancer. |