A study in JAMA Oncology dated May 19, 2016 reported that a healthy lifestyle prevents cancer. Two health studies were pooled, the Nurses’ Health Study and the Health Professionals Follow-up Study. This included 89,571 Caucasian women and 46,399 Caucasian men. These were divided into
1. A Swedish study published in the European Journal of Clinical Nutrition in June 2015 showed that a decreased selenium level when observed over a timespan of 6.8 years was associated with a greater risk of mortality. 449 men and women were enrolled in the study, and selenium levels