As far as natual causes besides the obvious thought of a Heart Attack, he could have had a stroke, or thrown a blood clot (aka Andy Glazer), ruptured an Artery (aka John Ritter) just to name a few. My wife works in a hospital and she sees too many people in their prime taken for one reason or another. Makes one thankful for each day that we're given.

I'm not saying these apply to this individual but a person could die from other reasons that are not "foul play" and yet not "natural". For example, accident in bathroom and bump your head. Falling down the stairs. Heat exhastion, sucide, drug overdose.

I agree, we will know more as time goes by. It's really sad to see someone on TV like that and then to find out that they're gone.