unlike union firemen who can retire early in their 50's, most hospitals do not afford the mostly female nursing staff that priviledge...
so you govt pensioners, you railroad pensioners, and the rest of anyone with money coming out of your ears may keep working for your entire lives...
there are those of us who've worked well over 30 yrs and we will , one way or another , get our dang SS money back at a reasonable age...
I can tell you that lifting and turning and positioning 300 pound patients in a hospital, getting them in and out of bed, drawing up minute amounts of IV medicine, and generally being on your feet for 8 hrs is NOT something you can do very well into your 60’s