C. the qualifications of the author
Answer:
Taking a walk or yoga.
Explanation:
Recommend that they stretch before starting both activities so they don't pull a muscle and drink a lot of water to stay hydrated.
It would most likely be Bi-polar disorder. It has to be over a long periond of time. Say if she was in the hospital for a monthe she could be depressed for let's say three weeks before she was happy again for two weeks. that would be bi-polar.