Do Vitamin D Supplements Reduce the Risk of Dying from Cancer?

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Sun exposure is associated with lower rates of 15 different cancers and improved cancer survival. What happened when vitamin D supplements were put to the test?

What about just getting sun instead? Please check out my recent 6-part video series:

Better, of course, to prevent colon cancer in the first place. See, for example:

Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

Image Credit: mahnoorraja via flickr and ClkerFreeVectorImages and ClkerFreeVectorImages via Pixabay.

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Thanks for watching! We have several other Vitamin D videos, also. You can find them on the playlist here or over on the website, under Health Topics--Vitamin D Supplements. And while our awesome medical moderator volunteers try their best to answer questions on YouTube, you may get a quicker answer over the website. -NF Team

NutritionFactsOrg
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I've recently started taking a chewable vegan D3 supplement. I'll get another blood panel taken in a few months to see if my levels have come up.

HolisticHealthatHome
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Vitamin D is more important to human health than most people realize. Thanks again Dr. Greger!

PlantSugar
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I live in England where the summer this year was poor, to say the least. A few really hot days with most weeks being cloudy a lot of the time. D3 supplements are essential!

RichardLaurence
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'Go outdoors more🍁🍁' - if only all doctors advice was so simple

russell
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Get I'll go catch some sunshine to prevent or even fight cancer.

eelkeaptroot
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Been taking 10000iu a day of Vitamin D3 for little over 10 years. I was ridiculed and laughed back then when I told my doctor, friends and family how much I was taking and advised them to take at least 4000/5000iu day together with a capsule of Vitamin K complex. They all advised me to stop as I could die been a Vitamin D a Hormone and been the daily max amount suggested by the government only 200iu at that time. I am still alive and well and still taking 10000iu daily. Thank you Dr. Greger again for your marvelous job in letting people know the truth.

pedecia
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What's your take on supplementing with Nootropics to increase cognitive performance?

chrisgeoghegan
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Surprising. I really expected the conclusion to be "supplements are stupid, get sunlight"

sayuas
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Dr Gregor, what is your opinion on the blood group diet? Mainly, it says if you're blood group O then you should eat meat, I am vegan but at the back of my mind I hear that little quote. So frustrating. Thanks for all your videos and information. It is appreciated.

maryfreeman
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Do you recommend the occasional use of tanning beds to get vitamin D?

snwbordface
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This explanation about correlation and not causation remembers me of The China study... I can't wait to see more of those randomized controlled trials to know better

Alexischilenz
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Are we talking D2, D3 supplements?? I've been taking 2000iu of D3 daily since another video here advised it.

WyattHerbivore
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So if I'm not on a plant based diet, what are the worst things that I currently eat that I should stop eating?

TheMurkGaming
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yo greger ive a question
uve made some videos about raw veganism
and u said some things r better eaten raw (like paprika for example) and some r better cooked (like carrots/sweet potatoes)
however i find it strange that something that seems to be "oh so healthy" like legumes (i mean things like peas/lentils) is something u cant digest if eaten raw (ur stomach will hurt)
doesnt that sound a bit strange since raw is like "the basic" state of food (which should generally be considered best...since human ancestors grew up in an environment in which fire/cooking still wasnt used evolutionary speaking)

so my question: why isnt raw vegan the best? (i know u have showed us studies that alledgedly show that it isnt - but i cant find one big conclusion that u draw from all the research u did about it that explains the "WHY")
im asking this because it just seems utterly illogical to me how raw veganism could possibly NOT be the best way of eating

sooooooooDark
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Does taking high doses of vit d3 can do harm to our kidney?

MPisau
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If a person (like us) lives on simple raw foods, there is no need for any supplements. For the average person, supplements are a waste of money and can actually be harmful.

RonnieMinh