American Heart Association says alternative therapies may help lower blood pressure

... or weight training and isometric exercises, most commonly handgrip devices). The studies also examined the effects of yoga, different styles of meditation, biofeedback methods, acupuncture, device-guided breathing, relaxation and stress reduction ...

http://www.clarksvilleonline.com/2013/04/29/american-heart-association-says-alternative-therapies-may-help-lower-blood-pressure/