Is #vitaminD a protective tool against #colorectalcancer?
A new meta-analysis of 17 studies found vitamin D levels < 40 ng/ml was associated with an increased risk for colorectal cancer: https://t.co/N1svw7tBYD pic.twitter.com/AcOuQHQl7P— Vitamin D Council (@VitaminDCouncil) July 6, 2018