Your body needs 3 major things to continue short term functioning.
Water.
Calories, preferably sugar, fat, and protein, in that order.
Salt.
Filling those needs is challenging to a species that hasn’t discovered nitrogen fertilizer. Fast food typically dehydrates their burgers, so you serve it alongside a soda and double down on the calories.
Your body needs 3 major things to continue short term functioning.
Water.
Calories, preferably sugar, fat, and protein, in that order.
Salt.
Filling those needs is challenging to a species that hasn’t discovered nitrogen fertilizer. Fast food typically dehydrates their burgers, so you serve it alongside a soda and double down on the calories.