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Physical limits?

I’m old and fat. Maybe after I lose some weight from walking, yoga or tai chi could be in the cards.

Your body is your body. Any body can do tai chi or yoga. I promise. It's not what it looks like or how far you can get in a pose, it's how it feels.

That’s cool. I actually did some researching and found some beginner yoga stuff on YouTube where you can even start sitting down. I may give it a try. I appreciate the recommendation

You're welcome. As long as you are consciously breathing, it's yoga - it's about uniting mind, body and spirit, which sounds corny, but it's actually something that people with PTSD find hard to do as you know! Good luck!