... found obesity to be a significant risk factor for AHR at all levels of obesity for females but only for higher levels of obesity for men.11,21,22 Discussion We found obesity to be a significant risk ... increased airways resistance and methacholine reactivity Therefore, obese patients complain of more dyspnea and asthma-like symptoms than leaner patients and may be incorrectly diagnosed with asthma.28,29 ... II obesity in men, whereas the OR was 4.82 and the AR was 51% for males with class II obesity In females, obesity was a significant risk factor for AHR at all levels of obesity Class I obesity...