Dr. Vivek Murthy’s report cites studies linking alcoholic beverages to at least seven malignancies, including breast cancer. But to add warning labels, Congress would have to act.

In a new advisory, Surgeon General Vivek Murthy recommended that labels on alcoholic beverages be updated to include a warning about cancer risk.

Some perspective: Canada’s new guidelines define “low risk” as a one-in-1,000 chance of premature death owing to alcohol. Boosting consumption from two to six drinks a week raises the odds to one in 100. With walking, the lifetime risk of being run over in America is about 1 in 470.