Diabetes Medication and Longevity Restricted Eating

Time restricted eating and instrument and fasting has sort of been like a hack or a trick to get people to eat less without really, i don't know, you could say struggling. Is there a threshhold where you think the risks start to outweigh the benefits for limiting the duration of time in which you're eating? The duration of is t a concern, as long as the composition of the intake is pretty consistent.