Not so long ago, some elderly patients couldn't avoid developing bedsores. Weight loss during aging would leave them particularly bony and susceptible to these developing bedsores. Thankfully, modern technology has made it much easier for nursing home aides and workers to provide adequate cushioning and relief to people who are immobilized.
It's easy to put all your trust in your medical team, assuming that they will make the right decisions at the right times.
As someone who has smoked for many years, you knew that you were in trouble when the link to cancer and other illnesses was finally made. You'd struggled with weakness and dizziness for years. You were tired and pale.