Breathing Technique Offers Help for People With Asthma
By JANE E. BRODY
Published: November 2, 2009
I donâ??t often write about alternative remedies for serious medical conditions. Most have little more than anecdotal support, and few have been found effective in well-designed clinical trials. Such trials randomly assign patients to one of two or more treatments and, wherever possible, assess the results without telling either the patients or evaluators who received which treatment.