A treatment is available but it doesn't seem to work in some cases. The author of the post is motivated to improve that. Honestly, I feel happy when people choose to spend their time trying to solve these types of problems instead of working on things they may not be that interested in or on problems where success doesn't really yield a real benefit to humanity.
Maybe, he spends a lot of time on it and doesn't have success. That seems better to me than spending time on something he doesn't really care about.
Maybe, he spends a lot of time on it and doesn't have success. That seems better to me than spending time on something he doesn't really care about.