I have found the iron to be my greatest friend. It never freaks out on me, never runs. Friends may come and go, but two hundred pounds is always two hundred pounds
-Henry Rollins, Black Flag
Weight lifting and strength training
BENEFITS:
Reduces anxiety in a single bout and long term
Strength training of all types works, but between 50-70% of your one-rep-max (something you could do more than 10 reps with) seems to be the most reliable.