1 doctor weighed in:

What were the problems with the womens health initiative study?

1 doctor weighed in
Dr. Marsha Davis
Internal Medicine

In brief: Bias

It was biased toward older women, smokers and women with heart disease.
It was stopped too early to tell if there was any effect on breast cancer because of the long detection time . Most of the women may have had it already and just not known it.

In brief: Bias

It was biased toward older women, smokers and women with heart disease.
It was stopped too early to tell if there was any effect on breast cancer because of the long detection time . Most of the women may have had it already and just not known it.
Dr. Marsha Davis
Dr. Marsha Davis
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