The word abuse has a much stronger connotation than "bullying" which is usually associated with teasing. The former, however, is typically associated with emotional and/or physical harm on the body. If someone is being "bullied" and it involves harm on the body, then it could definitely go hand-in-hand with abuse.
Because pain hurts and the human body don't like the pain
Just to be healthy is this right
Someone who is always there for you and never leaves your side
A common result of hyperthyroidism is graves' disease.