EMBARGOED TO 2301 MONDAY JULY 25 File photo dated 03/10/14 of a nurse giving a patient a diabetes test. Limiting eating to a 10-hour window during the day may help people with type 2 diabetes lower their blood sugar levels, a new study suggests. The researchers say their study indicates that following a time-restricted eating (TRE) protocol can counteract the negative effects of eating throughout the day by limiting the duration of food intake. Issue date: Monday July 25, 2022.