Vitamin B3 could help prevent skin cancer threat for millions

There's important news for people at high risk for skin cancer, the most common type of disease in the U.S. Dr. David Agus, director of USC's Norris Westside Cancer Center, joins "CBS This Morning" to discuss how the simple vitamin can slash the risk of certain forms of cancer coming back.
Source: Health News: CBSNews.com - Category: Consumer Health News Source Type: news