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Research * Recherche
Overdiagnosis of asthma in obese and nonobese adults
S.D. Aaron MD, K.L. Vandemheen BScN, L.-P. Boulet MD, and colleagues
A third of Canadians whose asthma had been diagnosed by a physician do not have asthma. Aaron and colleagues came to this conclusion from their longitudinal study involving 496 people said to have asthma by their physicians.
Prevalence of asthma among Chinese adolescents living in Canada and in China
H.-Y. Wang, G.W.K. Wong, Y.-Z. Chen, and colleagues
Symptoms of asthma in Chinese adolescents were lowest among those living in mainland China, were greater for those in Hong Kong and were highest among those born in Canada. These findings suggest that asthma is influenced by environmental factors as well as genetic ones.
Editorial * Éditorial
The error of not measuring asthma
M.B. Stanbrook MD PhD, A. Kaplan MD
All patients suspected of having asthma should have the diagnosis confirmed by spirometry. Primary care physicians should not rely on laboratories in tertiary care centres to provide spirometry. Instead, physicians need to make testing available in their own offices.
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