I'd say the answer would be "a sprained ankle".
Yes. It is good for people of any age to get that much exercise in per day.
(I have a fidbit and I usually get in 2000-3000 steps a day.)
I would say ready to eat foods at a bakery, as those things are usually freshly made and not calculated for their nutritional value
The kid has down syndrome which can cause kids learning regular tasks at a later age. Don't quote me on this.<span />