Improved circulation.
Higher blood pressure, stiff muscles, and faster heart rate are all signs of unhealthiness, unless you have exercises recently.
I agree, because you should be able to take care of yourself, that means that you should get shots (Flu, rabbies) , you should also eat healthy.
Simply work on your reflexes and flexibility. you will slowly get better at moving between objects that are in your way.
- Into your own home if possible ( a safe, more comfortable environment), for immediate circumstances
- local law enforcement, overall can help direct the friend to making the right decision ( of course this can be hard to do for the victim)