I find it odd that this article (this study?) seems to assume, or at least heavily imply, that the causation is "weight gain -> changes in the brain", and not maybe "changes in the brain -> weight gain".
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Obesity changes the brain, with ‘no sign of reversibility,’ expert says | CNN | Spyke
I find it odd that this article (this study?) seems to assume, or at least heavily imply, that the causation is "weight gain -> changes in the brain", and not maybe "changes in the brain -> weight gain".