asthma, according to study author Stuart Garay, M.D., Clinical Professor of Medicine at NYU Medical Center in New York.
Nobody knows how laughter brings on asthma, but it might involve hyperventilating, Dr. Garay
noted that exercise was
the only trigger more common in people with laughter-induced asthma compared with asthma not induced by laughter (61% of
people with LIA vs.
35% of asthma patients without LIA).
was struck by how common laughter-induced asthma is.
"It's as common as some of the most well-known asthma
triggers, such as grasses, trees, pollen, fumes and odors, and it's even more common than dust mites, allergy to animals and
"It depends on the patient," Dr. Garay
"For a majority of patients,