Tragic, but I wish the article were more educational about this. Yes, don't sit down for 24 hours straight, I know. I just wish the article stated the cause of

Tragic, but I wish the article were more educational about this. Yes, don't sit down for 24 hours straight, I know. I just wish the article stated the cause of death - what happened exactly? Was it a pulmonary embolism? Could it have been something else? Perhaps dehydration leading to cardiac arrhythmia? I'd like to be focused in taking preventative measures.