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...

But lately guided meditation or solo meditation helps. Look up some meditation books and apps. I got a few free and paid for some apps but it's been worth it.
Not to get personal, but sex and masturbation help too.
And I've also tried running around the block as fast as I can, working under the theory that anxiety is really our fight or flight response. It's helped a few times but I can't run far.