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Women’s health care is largely based on research based on males. That’s starting to change — slowly

Experts weigh in on the opportunities and challenges involved in women’s health innovation.

Updated
6 min read
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An audience member wears a T-shirt with statistics about gender-based inequity in health care during the Impact Health conference on June 13, 2024.


Given that women’s health issues directly affect at least 50 per cent of Canadians, it’s shocking how much we don’t know about this subject. Discoveries that might expand our understanding of women’s bodies and sex-specific characteristics of disease have been consistently underresearched and underfunded — not just in this country, but around the world. It wasn’t until 1997, for instance, that Canada introduced formal recommendations to include women in clinical trials. Nearly two decades later, in 2016, the American NIH finally adopted a policy requiring researchers to separate data based on male and female subjects.

The lag in recognizing that chromosomal makeup can affect everything from overall health to the ways in which people respond to medications has had significant repercussions. The pipeline for innovation has been based on a male paradigm — even today, there’s a marked skew when it comes to the originating cell lines used in research, with evidence of scientists using exclusively male cells in more than half of the studies in which the sex of cell lines was documented. In experiments where cells are being tested to see how they respond to certain drugs, any data may only reflect how that medication affects cells with an X and a Y chromosome — which means the process may fail to highlight effective treatments or worrisome side effects for people who have two X chromosomes.

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