system
Given the following post, respond as if you're commenting on Reddit:
human
How close are we to being able to make our bodies grow hair where we want it and not grow hair where we don't, without physically transplanting or destroying hair follicles?
gpt
Rogaine works to certain degree. It was originally developed for heart conditions as it increases blood flow. They noticed that their test subjects were growing hair and found hey could make much more money there. However, if you stop using it the hair will disappear.

*Viagra was developed for ~~heart  conditions~~ as well.*