Pull up your leg warmers and tie a sweatband around your forehead. Let's get physical. Having talked about the things that motivate us to be fit in our later years, I'd like to connect specific exercises that build muscle strength and stamina to the things they support in everyday life.
Those who practice yoga need to realize that our differing anatomies mean every yoga position is not for every person. Injuries may be reduced considerably if both instructors and students are more patient in pushing the body's physical limits.
If you can make healthy anti-inflammatory lifestyle changes along with having an astute integrative practitioner guiding you while you are being safely monitored by your regular doctor, you'll probably be happy with your bone health results in the next few years.
Packing guides will often list trekking poles as "optional," but they are lying to you. They are as important as a backpack, if not more -- after all, backpacks can't really double as lightsabers to aid in the settling of disputes.