The answer to your answer is B because who cares what your freinds think,from a personal experience I shouldn't but I do,but still I shouldn't and neither should you or anyone else for that matter.
In this scenario, all of them except Tristan are technically abusing drugs, even if their intentions are pure, like Madeline. You take medicine exactly how your doctor prescribes it to you.
Simply walking alone can actually do both of these however if you are looking for multiple answers then here are some examples:
-Playing Sports
-Jogging
-Lifting Weights
-Swimming
-Dancing
-Bike Riding
etc...
Anyways, hope I helped!
Psychical impairments can include anything from sight weakness to missing limbs or even a hurt limb/body part.
