Obesity May Be Linked to Adult-Onset Asthma in Women
Other experts also question the study's findings. The authors of an
accompanying editorial urge confirming the results in other, more diverse
populations. And they ask whether the chicken or the egg came first -- was the
asthma a reason the adult nurses were overweight, or were they overweight
Michael Schatz, MD, a spokesperson for the American Academy of Asthma,
Allergy and Immunology, tells WebMD, "The bottom line is, 'Is it a
legitimate risk factor?' ... It is going to take a lot more information before
we can determine that."
Camargo acknowledges many of the same study limitations that these critics
raise. Moreover, he points out that it took a long time before doctors believed
that dust mites and cockroaches played a role in asthma. He worries that it may
take a while before doctors are convinced of the role of obesity.
- A new study shows that a high body mass index (BMI) is associated with a
higher risk of developing adult-onset asthma.
- Earlier findings have already shown that childhood asthma is more prevalent
in overweight populations.
- Some experts point to the limitations of the study, saying that the
association could be explained by other variables.