Going out in the sun helps you soak up Vitamin D, which is good for your bones and helps you ward off certain diseases such as osteoporosis. While too much sun can lead to skin cancers, a moderate amount can actually fight off certain cancers such as colon, prostate, and ovarian cancers. Getting sunlight during the day aids in the release of serotonin, which may boost your mood and help you feel calm and focused. It also assists in the production of melatonin, a hormone that is critical for getting good sleep. The research on sunlight continues, as researchers are gathering preliminary evidence on sunlight as a treatment for conditions such as arthritis and lupus. So make sure to enjoy some time outside this summer! But put on sunscreen if you go out for more than 15-20 minutes to lessen the damaging effects of the sun—many of the sun’s positive effects can still happen with some sunscreen on.