Your article says elevated concentrations of glucose in the blood is “a problem that occurs downstream” of impaired response to insulin. Yet artery blockage is defined as a failure of cells to react to insulin. So, would not the problem be upstream of the impairment?
Marry Morel
Prescott, Ariz.
Downstream of the impairment, here, means after—in the biochemical flow—effects first play out.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.