Care for child

MOTHERS who are unceasingly stressed may increase the likelihood of asthma in their children, according to a new University of Manitoba study.

Although it’s not precisely clear how maternal distress causes the respiratory condition, unhappy mothers are more probable to smoke and less likely to breastfeed — actions associated with asthma’s development — notes the account in the latest issue of American Journal of Respiratory and dangerous Care Medicine.

The study, which analyzed seven years of health records for almost 14,000 Manitoba children born in 1995, set up that kids whose mothers were chronically distressed during those childhood years had a 25 per cent increased risk of developing asthma, regardless of their background, gender or other acknowledged risk factors. “It is increasingly clear that traditional risk factors do not fully explain the origins of asthma,” said Dr. Anita Kozyrskyj, the study’s lead researcher and a member of the U of M’s faculty of pharmacy.

Kozyrskyj said she and her colleagues determined through the health records whether children had asthma by age seven and related it to maternal distress as defined by doctor visits, hospitalizations and prescription for sadness and anxiety. Maternal distress was categorized by start and duration into four categories: no distress, postpartum suffering, short-term distress and long-term distress.

“And it’s those mothers in the long-term or persistent category who had the greatest number of health-care visits and instruction medications,” Kozyrskyj said. “So that may be an indication of more severe sadness and/or worry.”

Even taking other major risk factors for childhood asthma into account, she said, “the persistent maternal pain measure still is very much linked with the development of asthma at age seven.” She supposed another study is planned to explore the role of despair on childhood asthma, focusing on post-natal screening data and a 25-point checklist.

“This is a better way of identifying mothers who are depressed or anxious,” said Kozyrskyj. One warning to her study on the link between caring stress and asthma is that heredity always plays a crucial role in determining the pathway of asthma in a child, she said.

Asthma is a chronic condition that makes it hard to breathe because the airways are extra sensitive. They can both become inflamed and fill up with mucus or the muscles around the airways can spasm and clutch tighter, leave-taking less room for the air to pass from end to end. The , which killed 287 Canadians in 2003 according to Health Canada, can’t be cured other than can be properly managed with medication and inhalers. It’s closely linked with a family tree which bears associated allergies such as hay fever or eczema.