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Three-quarters of COPD cases are linked to childhood risk factors that are exacerbated in adulthood | Science Daily

Three-quarters of COPD cases are linked to childhood risk factors that are exacerbated in adulthood | Science Daily

Three-quarters of chronic obstructive pulmonary disease (COPD) cases have their origins in poor lung function pathways beginning in childhood. These pathways are associated with exposures in childhood, and amplified by factors in adulthood, according to a cohort study published in The Lancet Respiratory Medicine journal.

While smoking remains the biggest risk factor for COPD, the study demonstrates that childhood illnesses (such as asthma, bronchitis, pneumonia, allergic rhinitis, eczema) and exposures to parental smoking are also linked to the disease.

A second study in the journal also suggests that there could be a window of opportunity during childhood to reduce the risk of poor lung function in later life.

Source: Three-quarters of COPD cases are linked to childhood risk factors that are exacerbated in adulthood | Science Daily