Without the Sun, we wouldn't have weather as we know it on Earth. We can thank differences in sunlight for how we get our daily weather.

Be sun-wise this summer: The good, the bad, & the health effects. Nancy Werteen. ... Sunlight regulates your circadian rhythm by telling your body when to increase and decrease your melatonin levels.

The first day of summer hits on June 20 and with it comes long, lazy days spent outside soaking up the sun. We’ve all heard about the risks of too much sun and skin cancer. The more your skin ...