Please select another video.
New research shows vitamin D could lower risk of colorectal cancer
The American Cancer Society and more than 20 other medical organizations found having higher vitamin D levels than are currently recommended reduced the risk of colorectal cancer by 22 percent.
Full Episodes of Nightly News
Watch full episodes of NBC’s Nightly News with Lester Holt.
Keeping you Healthy
Stay up-to-date on the latest health and medical news.
The Price You Pay
Stay up-to-date on the latest consumer and business news.
Watch long form and extended pieces from the NBC Nightly News team.