What is the difference between sunlight and ultraviolet light

You should avoid excessive exposure to UV light, whether from the sun or a man-made source, to protect your skin. There are two methods of protection from UV. First, simply prevent long exposure. Stay out of the sun, or cover yourself when out in the sun.

This shields the DNA in your cells and you don't burn. But don't stay in the dark, either! Why Union? Follow and Support Show your love for Bulldog Athletics ». Join in! Sun Safety This webpage lists historical information about the SunWise program, as well as links to additional sun safety resources.

This information helps people plan how to protect themselves from the sun. The FDA sets rules for the product labeling and advertising of sunscreens. The FDA ensures that the sun Protection Factor SPF for sunscreen is clearly written on its label and that consumers can easily understand the labelling and instructions.

Sunscreen: How to Help Protect Your Skin from the Sun This webpage explains how to read a sunscreen label and provides basic information about sunscreen use.

Skip to main content. Contact Us. Causes long-term skin damage. UVB: Cannot pass through window glass. Causes sunburn. Causes tanning. Helps the body make vitamin D. Is more intense: During the middle of the day. In the summer. At high altitudes and near the equator. Of the three types of UV, we are most interested in UVB, which stimulates the production of vitamin D when it contacts the skin.

Ninety percent of all vitamin D in human beings is produced by sunlight exposure[3], and in my book, Vitamin D3 and Solar Power , I discuss approximately diseases that correlate to a deficiency of vitamin D. Although some vitamin D can be obtained through fish, eggs, mushrooms and other dietary sources, the amount is miniscule. Vitamin D is also available through supplementation, which is also produced by the irradiation of lanolin by UVB.

The only truly natural way to obtain vitamin D is through exposure to sunlight or other UVB sources. Remember that when you are enjoying the light produced by our friend, the Sun, do it safely; never burn, and check with your physician for advice on sun exposure.