The sun's rays are both helpful and harmful. UV or ultraviolet rays help to make Vitamin D from the cholesterol in our bodies, but they also cause skin cancer and wrinkles and other forms of sun damage.
The sun's rays, also called ultraviolet or UV rays, damage the skin. The short-term results of unprotected exposure to UV rays are sunburn and tanning. In the long run, unprotected exposure to UV rays can cause skin cancer.
Here are some guidelines for limiting sun exposure:
- The sun is between 10 a.m. to 4 p.m. Stay out of the sun during the peak hours.
- Protect your arms and legs with If you have a long-sleeved shirt and long pants. Wear loose fitting cotton clothes so you will be cooler.
- Protect your eyes with sunglasses that have a UV filter to decrease your risk of getting cataracts.
- Protect your face, neck and ears with a wide-brimmed hat. Remember, baseball caps don't protect the ears or neck where a lot of skin cancers occur.
- Use sunscreen that blocks both the UV A rays the UV B rays. Both can lead to skin cancer. Make sure to choose one with a sun protection factor (SPF) of at least 15.
- Apply sunscreen 30 minutes before you go outside and reapply frequently, every 1 hour if you're going in the water and every 2 hours if you're not. Sunscreen is needed even on cloudy days and winter days.