Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

Welcome aboard. You are definitely not alone.
The books "Adrenaline and Stress" by Dr. Archibald Hart and "Anxious" by Amy Simpson have been very helpful.
Also, learning how to relax is very important. Avoid caffeine, sugar and processed foods. Get some exercise, drink water, eat a balanced diet with lean protein (most people don't realize the connection between diet and anxiety) - google it. Also, do your best to get a good night's sleep. If you have trouble, get some doTERRA Lavender essential oil to rub on the bottoms of your feet. This process won't happen overnight. Once your body is in overdrive, it may take a couple weeks to slowly notch it down.
I believe you can work through this, I have had a lot of success.