This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

ST. LOUIS, MO (KTVI) – The death earlier this week of TV dad Alan Thicke surprised many. He had a heart attack while playing hockey with his son. This is something the 69-year old did many times. He was seemingly in great shape, but now he’s gone.

David Brown is a cardiologist at Barnes Jewish Hospital. He talks about heart attack risks during the winter months.