I envy those who can engage with twitter in a healthy way, but the list of people whom I envy for this is very short. Everything about it designed to draw you outside of your narrow field of interest and thus increase the time spent on it.
I wish more people would maintain separate accounts for professional and personal use. It is annoying when someone you follow for their technical knowledge makes political posts that are very tempting to respond to. I think the key to healthy twitter use is being able to just scroll past those.