The biggest evidentiary problem for those who insist there is a strong causal link between increasing weight and heart disease is that deaths from heart disease have been plunging at precisely the same time that obesity rates have been skyrocketing.
While I have been losing weight lately, that's a side-effect of better eating habits and more exercise. It's not my priority.
News Flash: The Non-Anorexic Want Cool Clothes, Too.
Update [08:30]: Really! It's Okay! (Flash animation: makes noise, uses vulgar language, may contain valid medical information)