I don't think 'question everything' is a rational thing to do. If yoh question things that you and everyone else agrees is established facts you're just wasting your own time and everyone else's

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Any “established fact” that can cause harm to you (if it turns out to be wrong) should be questioned. For example, it was an established fact that cholesterol causes heart attacks and that fat makes you fat. If you don’t question these “facts,” your health suffered.