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CURE Your Nervousness. When you start to feel nervous about silly things, or you're nervous all the time, or the nervousness becomes too overwhelming, you may have an anxiety disorder. Find out how to control it with my free 7 minute anxiety test. Start the test here.aybe you're nervous about how others are going to see you socially. Maybe you're not even sure why you're nervous, but you can tell that you're nervous anyway. Those with anxiety often not only feel nervous-they have more worried thoughts as well. Anxiety changes thought patterns.
Well, say that youâre sitting at your desk and get a quick twinge of chest pain and notice your pulse racing. It may not even be a lot, but just enough to make you worry about what it could mean. This is when you start questioning the health of your heart. Your stress turns into worry, which causes anxiety. Now, your limbic system (emotional brain) kicks in and excites the nerves of your heart, so your heart speeds up even more. Thatâs âemotion basedâ tachycardia. A strong emotional reaction can indeed cause tachycardia. Itâs normal, and absent disease, isnât dangerous.