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The winners and the losers

If you eat a good, well-rounded diet with sufficient essential fatty acids, 15-20 minutes a day in the sunshine with as much skin showing as possible will do wonders for your health. Longer periods more covered up will be nearly as beneficial.

Bad diet plus "sun" exposure of any type - natural or from bulbs, can trigger growth and proliferation of mutants cells.

Can't get around it, people, eat clean, basic food and move your muscles while working and playing. Sunshine, drink water, breathe deeply.

@sunphobic, what the heck does food have to do with the sun, except growing it, of course? A lot of your susceptibility to sunburn depends on your skin color. I have a very light-skinned daughter who is now a medication that makes her burn if she is exposed to the sun for more than 10 minutes, and it was almost that bad before she started the medicine. I, myself, have had two skin cancers removed which I can directly trace back to too much sun I got as a youth.

We do not need much exposure to the sun, and as for the right food, drink vitamin D enriched milk, or take vitamins and you should be fine.