It might be more accurate to say that previous studies showing a relationship between sexual preference and menstrual cycles are not reproducible. I think they

It might be more accurate to say that previous studies showing a relationship between sexual preference and menstrual cycles are not reproducible. I think they just put it in more layperson's terms. The economist headline is naturally more sensationalized being a popular press article, but the physiological science headline starting with "no evidenced that. . . " is okay enough to pass imo.