April 19, 2012 6:34 am Study: No Link Between Gum and Heart Disease After hundreds of studies, the American Heart Association says the suspected link between gum and heart disease doesn’t exist. Local 1:36 WATCH: Some of the most talked about looks at the Met Gala 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks 1:47 Reese Witherspoon and Ryan Phillippe's daughter Ava calls out body shamers 1:41 Trump fined additional $1,000 for gag order violation and threatened with jail 0:53 Man attempts to shoot pastor during church service