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Dear Doctor: How much sunshine do I need to get my daily dose of vitamin D? And does wearing sunscreen interfere with my body's production of vitamin D? Dear Reader: These are good questions. The major source of our body's vitamin [...]
By Ask the Doctors • March 23, 2018
An estimated 80 percent of a person's exposure to ultraviolet radiation — most of it from sunlight — occurs before the age of 18. Sunscreen is one of our primary defense mechanisms against ultraviolet radiation, but schools across the [...]
By Ryan Hatoum • August 23, 2017
On Aug. 21, 2017, millions of people in the U.S. will see day turn to night as a total solar eclipse passes over North America. The last time this happened from coast to coast was 1918. Temperatures will drop rapidly as the moon completely covers the sun. You will [...]
By uclahealth • August 10, 2017