What are the negatives of HGH?

Could you elaborate on the potential drawbacks or risks associated with Human Growth Hormone (HGH) usage? Are there any known side effects that individuals should be aware of before considering this treatment? Furthermore, how might the misuse or abuse of HGH impact one's health in the long term? Additionally, are there any ethical concerns surrounding the use of HGH for non-medical purposes, such as enhancing athletic performance? Understanding these aspects is crucial for making an informed decision about HGH usage.