Award-winning science writer David Robson's work has appeared in the Guardian, the Atlantic, Aeon and many many others. He was features editor at New Scientist for five years, before working as a senior journalist at BBC Future.

His book, The Expectation Effect, is a vivid trip into the fallacies and complexities of the human psyche. Our expectations  can have very real effects on outcomes, whether it be life spans, illnesses or anything else. So try to think positively.

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