Farms: Should I Wear Sunscreen in the Winter?
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DNA damage doesn't just happen in the summer, but does that really mean we should wear sunscreen in the cloudy and chilly months? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Bella Nash, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.nature.com/scitable/blog/scibytes/how_ultraviolet_light_reacts_in https://www.scientificamerican.com/article/how-does-ultraviolet-ligh/ https://www.phys.ksu.edu/gene/f_5.html http://theoncologist.alphamedpress.org/content/6/3/298.full
Comments
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1:00 about, what about cytocene
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This was great and clarifying things that even people paying some attention may have missed.
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okay but if the sun is only up for 3h a day and you only go outside for 10min, id bet on saving my money. It seems ridiculous how some sunscreen companies say you should wear sunscreen even if its winter, cloudy, twilight and you are indoors. i think they are just trying to sell more sunscreen. and it just makes me skin weirdly oily and sticky and disgusting so id rather not use it.
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Never understood UV damage in molecular level before watching this video. This explanation and animation are sooooo helpful.
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And put it on your whole face... an overexcited friend on the first day of the trip with a sunscreen stick had two perfectly white stripes on each cheek and 2nd degree sunburns around the rest... yep, end of his trip...
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but what does sunscreen actually do?
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As a person who works inside, plays video games, and generally don't like the outdoors, I think I'm OK lol.
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I've heard the further north you go the greater the amount of people with vitamin D deficiency and sun screen can stop your body from making vitamin D useable, so how do you know how much sun screen is to much or not enough?
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I mean... I'll take the risk.
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Rickets, depression, osteoporosis and higher risk of many cancers anyone? Living in the South every dermatologist wants a coating 30 or more SPF on a daily basis. Then you go to your GP and they tell you your vitamin D levels are extremely low and you have to go on supplements. No one seems to be preaching about being in balance.
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All my pale people raise your hand if you wear sunblock ALL year round! Sunblock in your lotion, moisturizer and then slather some more SPF 50 on top of that! haha
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also
Snow reflects uv radiation.
So you get more uv radiation than you normaly would. -
LOL. What is this "sun" you're talking about
Sincerely, Northern Sweden -
and NOT going outside leads to Vitamin D deficiency. ...
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why do i get sunburn on my anus?
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Ever since I finished high school (2015) I've barely been out in the sun ¯\(ツ)/¯
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Can you absorb vitamin D from the sun with sunscreen on?
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What about Vitamin D? I heard a ballpark figure that enough sunlight for your Vitamin D needs is about 1/4 of what gives you a sunburn, so quite a narrow margin. And for many, getting enough daylight in winter is really difficult, what with our lifestyles that puts us more at risk from screen-burn than sunburn.
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In that context: if you don't expect to get nearly enough sun to risk a sunburn, is it really sensible to reduce effective sun exposure more by using sunscreen? -
oh ya !... here in Winterpeg, Manisnowba... you need good sunscreen year-round... good sunglasses also... :) you only need bug spray for about three days during our "summer"... :S
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i heard snowburn is worse because the sun's effect are that much more multiplied with the sun reflecting off the water droplet ice crystals in the snow so then the sunburn on your exposed face is actually worse well anyway that is what i heard but i do not offer any empirical scientific evidence to back up my punctuationless comment