Regulators are warning people to stop using certain types of glucose monitor sensors after the company that makes them, Abbott Diabetes Care, said the devices were linked to seven deaths and more than 700 injuries worldwide. Certain FreeStyle Libre 3 and FreeStyle Libre 3 Plus sensors may provide incorrect low glucose readings, the US Food and Drug Administration (FDA) said this week. Such readings over an extended period may lead people with diabetes to make bad treatment decisions, such as