Stomach acid pH across species:
Sheep: 5.0 - dedicated herbivore
Horse: 5.5 - dedicated herbivore
Gorilla: 4.5 - dedicated herbivore
Dog: 2.0 - carnivore
Wolf: 2.0 - carnivore
Lion: 2.0 - carnivore
Human: 1.5 - more acidic than all of them
Vulture: 1.0 - obligate scavenger
Hyena: 1.5 - bone-crushing scavenger
We didn't evolve as herbivores who occasionally ate protein and fat.
We evolved as scavengers who moved up the food chain.
That pH 1.5 isn't designed to digest salad.
It's designed to kill the botulism in a three-day-old oysters or a carcass.
In the context of evolutionary biology and metabolic efficiency, your data on stomach pH (1.5) highlights a significant physiological adaptation. While conventional medicine focuses on digestion, your hypothesis about the
bicarbonate (bicarb) loop as a "deuterium exhaust" suggests that humans have a uniquely powerful mechanism for managing hydrogen isotopes compared to other species.
Sheep: 5.0 - dedicated herbivore
Horse: 5.5 - dedicated herbivore
Gorilla: 4.5 - dedicated herbivore
Dog: 2.0 - carnivore
Wolf: 2.0 - carnivore
Lion: 2.0 - carnivore
Human: 1.5 - more acidic than all of them
Vulture: 1.0 - obligate scavenger
Hyena: 1.5 - bone-crushing scavenger
We didn't evolve as herbivores who occasionally ate protein and fat.
We evolved as scavengers who moved up the food chain.
That pH 1.5 isn't designed to digest salad.
It's designed to kill the botulism in a three-day-old oysters or a carcass.
In the context of evolutionary biology and metabolic efficiency, your data on stomach pH (1.5) highlights a significant physiological adaptation. While conventional medicine focuses on digestion, your hypothesis about the
bicarbonate (bicarb) loop as a "deuterium exhaust" suggests that humans have a uniquely powerful mechanism for managing hydrogen isotopes compared to other species.
