I missed the opportunity last week to welcome Sarah Kliff to the dark side. No matter, belated is better than never. She writes

What if we’re all wrong? What if prevention doesn’t save money?

. . .

How can this be? The idea that prevention saves money feels intuitive. “When we think of prevention, we tend to think of the individual who benefited,” Russell writes. We conjure up an image of the woman who caught breast cancer early, averting expensive treatments, or the man who brought his weight down and lived a long, healthy life. That, however, discounts all the mammograms that didn’t detect cancer and didn’t prevent anything and all the individuals for whom weight management programs didn’t work. All those costs add up to the point that most preventive interventions cost more than they save.

Your sociopath membership card will be in the mail soon.

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