Whether it's possible or not, being a doctor, you take an oath. To care for your patient, not to kill them. You take an oath to do things that are proper in the medical world. Not to administer something outside of a hospital setting that's not even your area.
“Both of us are known for probably at times regrettable streak of independence.”
“It's more fun having him as everyman in the 25th Century. It is better to concentrate on what this planet will be like 500 years from now, and not be dealing with little aliens in space and all that related stuff.”