If you knew her story, she also had Crones disease for many years she used marijuana to cope with it, along with the cancer that came later. She put up a good fight, she fought long and hard, but the cancer finally won. It happened pretty quickly in the end, but she fought longer than the average person normally does. She used all the medical treatments along with marijuana, and I think that is how she remained active until the end.
Most unfortunately, people resort to mj first and neglect organic natural remedies. IBS/Chrones, in fact most any illness can be neutralized by ingesting sufficient soil-based probiotics to balance the overgrowth of anaerobic bacteria in the gut. The gut represents (makes up) 80% of out ENTIRE immune systems. If it's out of balance, so are we. Unfortunately, few understand the dynamic. Many die unnecessarily, mostly from lack of awareness