Regarding the ache in your legs...I would have that but for walking and stretching. I really need to stretch my leg muscles to feel good. I went to a physical therapist who gave me some stretching and range of motion exercises to do.

Osteoporosis is okay so long as you don't fall. Work on your balance and stay limber.

My friend reduced her carb intake, ate healthier, lost weight (like your 40 lbs or more) and her acid reflux disappeared. Hopefully you are on your way to that.