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...

It's actually very common to have all three.
Anxiety leads to depression leads to anxiety and so on. It's actually very intersting, I love learning about it.
The reason that they are present is because there are things wrong that we have to face and fix. Once we identify the problem and fix it, our system relaxes.
Open your eyes. Look around. Look for the problem that needs to be fixed. Then, with input with friends and family, solve the problem.
Once we get very good at problem solving, our lives run much smoother and with far less drama.
Good luck as you improve your life skills. We are all doing that and learning as we go!