Regular intense exercise will help TREMENDOUSLY with the heart racing issue. It "calms" the heart so it isn't as sensitive to adrenaline
Yes i can vouch for this, i'm on 40mg of Propanalol 2 times daily, it had stopped the racing heart, sweating and alot of the other anxiety symptoms..... In short my GAD has decreased amazingly.... It's a very good drug. However some people can find that it causes their blood pressure to drop a little too far and causes dizziness, but i feel if u start on a low dose like 10 or 20 mg and work up slowly u'll be fine.