Everyone knows that alcohol causes harm like brain damage and liver cirrhosis. What most people aren’t aware of is that alcohol consumption also causes cancer. Recent studies show an increased risk of colorectal and breast cancer, liver and larynx cancer from regular heavy drinking.
The Harvard Centre for Cancer Prevention found an average of two alcoholic drinks per day increases the risk of breast cancer by about 25 percent.
Swedish scientists have found this risk to be exacerbated by Hormone Replacement Therapy (HRT). And the more you drink, the higher the risk. If you combine this risk level with the other well-known risk factors, such as a young age for starting your period (12 years or less), or a close female relative who has had breast cancer, then you really should consider cutting down on your alcohol consumption.
Cornell University have an informative summary of the issues involved with alcohol and breast cancer.