Insatiable

It seems the desire to constantly expand
the range of things which need to be "cured"
is insatiable.
Here is an example:

2012-04-09-WP-Butler-aging-makes-people-more-vulnerable-to-depression-but-the-problem-can-be-treated

Aging makes people more vulnerable to depression,
but the problem can be treated
By Carolyn Butler
Washington Post Health Section, 2012-04-09