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“University of Missouri researchers believe they have found a correlation between asthma and LC in a small study.
Previous research has shown a correlation between chronic obstructive pulmonary disease (COPD) and LC, but this is the first time such a link has been shown for asthma and LC, the researchers said…
For the study, Guntur’s team examined the medical records of 759 LC patients and similar patients without lung cancer.
The researchers found that 46.2 percent of those with asthma also had LC, compared with 22.5 percent of those without asthma.
The researchers speculate that “chronic repeated inflammatory insults from asthma” could trigger lung cancer, but exactly how that might happen remains unclear, they said in a news release from the college…”
“Asthma is an increasingly common disorder, affecting 5–10% of the population. It involves a dysregulated immune function, which may predispose to subsequent cancer. We examined cancer risk among Swedish subjects who had hospital admission once or multiple times for asthma…
A total of 7421 patients developed subsequent cancer after being hospitalised for asthma, giving an overall SIR of 1.36 and a SIR of 1.24 for cancer diagnosed later than 1 year of the last hospital admission (all 1+), as shown in Table 1. Only those cancer sites with at least 60 cases during the whole follow-up period were listed. The risk for some cancer sites, such as LC and leukaemia, was high during the first year, probably because of a concomitant diagnosis of asthma and cancer….”