But you're assuming that she is not going to all reasonable lengths to address the issue, which is completely unfounded! The article even mentions how she has been adressing it, even though it's none of our business and completely besides the point, just to preempt your cries "just lose weight then, HEH". Sequeing into of "well she's still overweight so clearly she isn't trying hard enough" shows that you're just either trying to be provocative or don't understand how being overweight works.

Will you quit riding in a car?

Every person gets to trade risks and benefits at their own discretion. To me, the years I've saved traveling are well worth the risk of riding in an automobile. I hope you won't try to convert me to however you feel about it.

Seems that you're not her, so you're in no position to decide what is and isn't important in her life.