Yeah, I feel that as the prices go down we'll revert to a state where the consistent posters and new users from developing economy nations will remain, it already sort of feels that way even with prices still above $1/$1, which is relatively high compared to the total price history.

Not sure if I've mentioned this before, but you can totally write on things like obesity or other science topics under the #steemstem tag and if you follow their fairly straight-forward rules it can get some visibility.