ORMDL3 and asthma: Recent genome‐wide association studies have linked single‐nucleotide polymorphisms (SNPs) with chromosomal region 17q12‐q21, where human ORMDL3 gene is localized, suggesting the risk of not only asthma but also chronic obstructive pulmonary disease,6 Crohn's disease,7 inflammatory bowel diseases,8 and rheumatoid arthritis.9