Drinking alcohol can affect your health, here’s how [Video]

With the new year comes Dry January and a new surgeon general’s advisory on alcohol and cancer risk.

Moderate drinking was once thought to have benefits for the heart, but better research methods have thrown cold water on that.

“Drinking less is a great way to be healthier,” said Dr. Timothy Naimi, who directs the Canadian Institute for Substance Use Research at the University of Victoria in British Columbia.

What’s the harm in drinking alcohol?

Drinking raises the risk of several types of cancer, including colon, liver, breast and mouth and throat. Alcohol breaks down in the body into a substance called acetaldehyde, which can damage your cells and stop them from repairing themselves. That creates the conditions for cancer to grow.

Thousands of U.S. deaths per year could be prevented if people followed the government’s dietary guidelines, Naimi said.

Those guidelines advise men to limit themselves to two drinks or fewer per day and women …