If humans can go weeks without eating, why do we eat 3 times a day?
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Humans really should not be eating three times a day, biologically we are built for feast and famine. In the distant past, the goal was to eat as much as possible to build up fat reserves and survive without eating for long periods. That is why being fat was seen as a great thing in history, because it showed you had wealth and access to food.
Nowadays, every person has access to unlimited food and calories dense food at that. The three meals a day is meant to provide around 2,000 calories a day (ie a split of about 675 calories a meal). It is very hard to eat 675 calories a meal in America because our potion sizes are insane (a big mac is 600 cals). So people eat a thousand calories per meal which leads to an surpluses in calories. The obesity epidemic is the biggest health and financial threat to America.
You don’t need three meals, just need to hit your Total Daily Energy Expenditure (TDEE) which is roughly 2,250 cals on average.
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