What surprisingly IS scientifically proven?

What surprisingly IS scientifically proven?

What do you think?

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  1. The placebo effect. It’s crazy to think that our bodies, believing they have received an effective treatment, will improve when affected with a disease. It sounds like pseudo science, but it’s built into randomized control trials to test drug efficacy. Still blows my mind.

  2. Adam and Eve. Look up Y-chromosome Adam and mitochondrial Eve. There is one man who lived 300k or so years ago that we are all descended from. And there is one woman who lived 200k or so years ago who was descended from Y-chromosome Adam, and who we also are all descended from.

  3. Altitude anorexia. People tend to lose weight more easily if they live in a higher altitude area even when controlling for diet, exercise etc.

    Edit: My most popular comment on Reddit is about science. My parents must be proud.

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