Harvard Health Blog

Do I have anxiety or worry: What’s the difference?

By: Luana Marques, PhD, Contributor Have you ever thought about starting a new job or school, and found your heart pounding and your mind racing with a series of “what ifs”? If so, you may wonder “do I have anxiety?” Anxiety is your body’s natural threat response system. When your brain believes you are in danger, it sends out a series of signals to your body, resulting in the fight-or-flight response. Worry is…

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