When it comes to general health advice, reducing your stress level tends to be right up there with exercising and eating right. Doctors typically want you to keep the stress hormone cortisol under control. That's because elevated cortisol can affect your immune system, memory, and weight, among other things. Relaxing and managing stress is certainly a good idea, but as with most of our hormones, when it comes to cortisol, one extreme may be just as dangerous as another.
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