Wanna Bet Your Heart . . .

that global warming doesn't exist?

Global warming may be melting glaciers and forcing polar bears onto land, but doctors warn it could also affect your heart. "If it really is a few degrees warmer in the next 50 years, we could definitely have more cardiovascular disease," said Dr. Karin Schenck-Gustafsson, of the department of cardiology at Sweden 's Karolinska Institute.