Chronic health conditions may also increase risk for heat illness.
"Extreme heat has dire consequences for obesity patients because many of these patients suffer from diabetes and heart disease, and it won't take much to become dehydrated," Dr. Frank Chae, Medical Director of Bariatric Surgery Program at Sky Ridge Medical Center told Scripps News.
Watch the Scripps News segment
Learn more about Dr. Frank Chae and the team at Denver Center for Bariatric Surgery