There's a lot of value in giving a subject a dose of nothing.
| | | Math | | How Placebos Work | | A placebo is a procedure or substance with no medical value, and is a key part of pharmaceutical tests and other statistical experiments. Here's why it's important that some subjects have nothing done to them, and may never know the truth. | | | | | | | |  | | READ THESE | | | | | | | | | | | | | | You are receiving this newsletter because you subscribed to the Today I Learned newsletter.
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