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Yes, meal times for kids in school are also poorly structured, often dictated by over-crowded facilities that can't hold enough people to let everyone eat at a normal lunch time. My kids' school starts at 8:50 am, but one of them has lunch 11:00 a.m. with 4 hours afterwards during which they can't eat. We let him bring a snack and tell him to let his teacher know his parents gave him permission to eat, and they shoul…
Although it might make sense to do some research about all this snacking all the time. It seems that while in the 50ies people ate 2-3 times a day nowadays its more like 6-8 times a day and we have a huge epidemic of obesity and diabetes. 4 hours without food seems very short, it only would be a problem if the main food source would be fast carbs which let the blood sugar drop very quickly afterwards.
Obesity comes from ultimately consuming more calories than calories exerted. Your body learns (maybe this is the wrong word) to store fats when there are long periods of time without eating