Health and Science
(Pamela Kirkland, Gillian Brockell, and Kate M. Tobey/ The Washington Post)
How sunlight affects your health
Read More
One of the best known benefits of sunlight is its ability to boost the body's vitamin D supply, but what happens when you can't get outside in the sun? George Washington University's Dr. Michael Irwig explains how sunlight, or lack of it, can affect a person's health.
One of the best known benefits of sunlight is its ability to boost the body's vitamin D supply, but what happens when you can't get outside in the sun? George Washington University's Dr. Michael Irwig explains how sunlight, or lack of it, can affect a person's health.
Up next in Health and Science
Now watching
promo
2:23
Gold Star widow said Trump's phone call was ‘heartfelt’
Now watching
promo
1:11
Wilson says Kelly ‘lied’ about her 2015 comments. Now there's video from the event.
Now watching
promo
5:00
Growing list of women allege sexual harassment, assault against Harvey Weinstein
Now watching
promo
3:50
Listen to Trump's conversation with a Gold Star family
Now watching
promo
1:43
The Melania Trump impostor rumor, according to the Internet
Now watching
promo
0:41
Ex-Tulsa police officer convicted of killing daughter's black boyfriend
Now watching
promo
0:33
Trump on Rep. Wilson's claim: 'I did not say what she said'
Now watching
promo
2:23
Body of U.S. soldier killed in Niger returns to Miami
Now watching
promo
1:30
Utah man will face murder trial in teen’s suicide
Now watching
promo
1:40
Raqqa: What retaking ISIS’s onetime capital means
Now watching
promo
4:25
View the devastation in Raqqa from above
Now watching
promo
1:24
Iraqi forces retake control of key Kurdish areas
Now watching
promo
1:40
Thousands of Rohingya refugees flee to Bangladesh
Now watching
promo
4:28
To see Weinstein’s influence in Hollywood, look no further than the Oscars
Now watching
promo
0:58
Coal miner delivers powerful rendition of national anthem
Now watching
promo
2:09
How SNL took on Harvey Weinstein
Now watching
promo
1:30
For Nationals, the anguish is all too familiar
Now watching
promo
3:00
Trump's Iran deal announcement, in 3 minutes
Now watching
promo
1:21
Gucci sheds its fur
Now watching
promo
2:12
American woman, family freed after 5 years as Taliban hostages