Welcome to Learning English, a daily 30-minute program from the Voice of America.

I'm Brian Lynn.

I'm Anna Mateo.

This program is made for English learners, so we speak a bit slower, and we use words and sentences especially written for people learning English.

Here are the stories we have for you on today's program.

Andrew Smith brings us a story about the dangers of drinking alcohol.

My co-host Brian Lynn brings us a science story.

I will return with words and their stories. Today I talk about Jack Frost. We will finish our 30 minutes together with the lesson of the day.

Today we teach you about tag questions. You've been wondering about them, haven't you? But first, here is Andrew Smith.

Past research suggested drinking alcohol in moderate amounts could be good for the heart. But a growing

number of public health experts now advise people to limit alcohol

intake as much as possible to improve health. One of those experts is Dr. Timothy Namy.

He is with the Canadian Institute for Substance Use Research at the University of Victoria

in British Columbia.

Namy told the Associated Press, drinkinginking Less is a great way to be healthier.

Earlier this month, U.S. Surgeon General Dr. Vivek Morthy called for changing his agency's

existing health warning on alcoholic drinks to include cancer risks.

Such a change would require approval from Congress.

The Surgeon General's proposed change is linked to research, suggesting that drinking alcohol raises

the risk of several types of cancer, including colon, liver, breast, mouth, and throat.

Alcohol breaks down in the body into a substance called

acetaldehyde. This chemical can damage cells and stop them from repairing

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