An excellent article in Wired about the placebo effect:

To test products internally, pharmaceutical companies routinely run trials in which a long-established medication and an experimental one compete against each other as well as against a placebo. As head of Lilly’s early-stage psychiatric drug development in the late ’90s, Potter saw that even durable warhorses like Prozac, which had been on the market for years, were being overtaken by dummy pills in more recent tests. The company’s next-generation antidepressants were faring badly, too, doing no better than placebo in seven out of 10 trials.

Placebos Are Getting More Effective. Drugmakers Are Desperate to Know Why.

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