Explain why many people are concerned about uv rays? explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

#1. people are concerned about UV rays because scientific studies have proven its cancerous effect on skin and eye damage.

#2. the lack of melanin is what makes the skin more vulnerable in the sun. example, a pale Irish person is more vulnerable than someone of Mexican decent.

#3. taking a photosensitive medication and being in the sun= the medicine makes the skin more vulnerable, to the sun's rays in a faster amount of time.

1) UV rays can get you skin cancer. That's no good.
2)The less melanin, the more prone.
3) It "weakens" your skin, so you have a higher chance to get unwanted cancers

That is

The answer to your question is  it relieves stress and boredom.  the rest of the answer choices would be long term.