I believe it was Ben Franklin that is credited with saying:
An ounce of prevention is worth a pound of cure.
I think we all pretty much understand the platitude and agree that preventing something is usually easier and less costly than fixing it after the fact.
Not to paint with too broad a brush or disparage the concept of prevention, but whole specialties and boutiques have sprung up using this moniker to lend credibility to their business model and persuade the searching public that their way is the correct path to health.
via What Is Preventative Medicine? | Robert Nelson, MD | LinkedIn.
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