We've already reached a point where medicine, in some cases, is doing more damage than good. Plastic surgery is clear example of this.

Followed by surgery like gastric bypass which is largely ineffective long-term, but of course they don't track it long term. People return to old habits, and the body tries to adapt, but now with newly crippled digestive system.

"Everything in moderation" is something we've not learned yet, as a culture.