Vitamin D supplements do not help prevent disease for the majority of people, according to a new study published Wednesday in the British Medical Journal.
원문출처 : http://www.cnn.com/2016/11/23/health/vitamin-d-supplements-winter/index.html
원문출처 : http://www.cnn.com/2016/11/23/health/vitamin-d-supplements-winter/index.html