Families notice it and rarely feel able to say it out loud: a dying person can start to smell different. It's a real, physical change, and it's nothing to feel ashamed of noticing. As the body shuts down, its chemistry shifts, and that can produce a distinct odor. It's a sign of the body failing, and it has nothing to do with hygiene or the quality of care.
It belongs alongside the other physical signs in what dying actually looks like, and here it gets a plain answer.
