If you haven't already, I'd suggest taking the health assessment:
You can also search for your topics of concern.
Here are a few tips to get you started:
Possibly try some of our stress-reducing recipes and suggestions. It will depend on severity and cause of course, however some of these foods have been shown to help relax the muscles and calm the mind. https://www.nutriliving.com/topics/stress
If you're into it, try meditation. I know there's research on yoga and meditation for helping calm anxiety.