Adults smoking at home can cause kids to develop COPD as grown-ups

Are you a chain smoker? Besides harming your own life, you may also be exposing your kids to second-hand smoke, which can increase their risk of death due to chronic obstructive pulmonary disease (COPD) in adulthood, researchers have warned

Image source: Google Image for representational purposes only
Image source: Google
Image for representational purposes only

Adults with long-term exposure to second-hand smoke as children are at increased risk of early death from chronic obstructive pulmonary disease (COPD), new research suggests.

The American Cancer Society study also linked exposure to second-hand smoke in adulthood with increased risk of premature death from COPD and several other conditions.

“Overall, our findings provide further evidence for reducing second-hand smoke exposure throughout life,” said study leader W. Ryan Diver, a cancer society epidemiologist.

His team examined data from nearly 71,000 American adults who never smoked. Most were between 50 and 74 years of age when the study began. They were followed for 22 years.

During that time, those who said they had lived with a daily smoker throughout childhood were 31 per cent more likely to die of COPD than those who did not grow up in a smoking household, the findings showed.

That works out to about seven additional deaths per year for every 100,000 never-smoking adults, Diver said in a news release from the American Cancer Society.

The researchers focused on COPD deaths, but said their findings suggested that adults who lived with a smoker during childhood may also have a higher risk of non-fatal COPD. The observational study only found an association, however, and did not prove cause and effect.

In addition, the investigators found that people exposed to second-hand smoke 10 or more hours a week in adulthood had a 9 per cent higher risk of early death overall; a 27 per cent higher risk of death from heart disease; a 23 per cent higher risk of a fatal stroke; and a 42 per cent higher risk of dying from COPD.

“This is the first study to identify an association between childhood exposure to second-hand smoke and death from chronic obstructive pulmonary disease in middle age and beyond,”  Diver said in the news release.

“The results also suggest that adult second-hand smoke exposure increases the risk of chronic obstructive pulmonary disease death,” he added.

The study was published August 16 in the American Journal of Preventive Medicine.

Source: WebMD

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