Dr. Michael Evans is the creator of the worldwide YouTube sensation “23½Hours,” which has been viewed by over four million people, drastically outpacing any other health-based messaging in history. Believing that everyone should take a proactive role in their health, Dr. Evans shares both his approach to healthcare education and his invaluable knowledge, offering suggestions on how to best take care of ourselves to avoid disease. With more summer still around the corner, we thought we’d share Dr. Evans’s latest video on how to take care of your skin when you’re in the sun, above.