It has been known for some time that heavy alcohol consumption increases risk of cancer. However, the link between light to moderate drinking and cancer risk has been unclear. A new study by Harvard T.H. Chan School of Public Health and Brigham and Women’s Hospital found that women who consume one to two drinks per day had an increase risk of breast cancer. To decrease your future risk of cancer, consider reducing your alcohol intake or abstaining from alcohol completely.

http://www.bmj.com/content/351/bmj.h4238