John, as we get older our bodies can't absorb the nutrients from the food we eat. The solution is strict a diet and supplements.
Some good diet ideas on Youtube, Dr Berg. But consult your healthcare provender first.
Dr. Eric Berg DC

 

I hope that wasn't an apathetic quip at the end like when someone says they will quit smoking tomorrow. Loss of bone density goes along with muscle loss. I never could keep a schedule going to a gym. I'm much more consistent after picking up some second hand equipment for home.