Skin cancer is the most common cancer in the U.S. Reduce your risk by staying in the shade and wearing protective clothing, sunglasses, and sunscreen all year.| medlineplus.gov
Medications and other factors that affect sun exposue| U.S. Food and Drug Administration
Except during the brief total phase of a total solar eclipse, when the Moon completely blocks the Sun’s bright face, it is not safe to look directly at the| NASA Science