Would enabling a human to chew his cud make him lose weight or gain weight?

In a universe where humans can take elective surgery to render themselves ruminents, what would be the effect of that surgery in regards to weight?

To keep things simple:

1. The surgery involves the addition of the four stomachs
2. The weight gain does not include the weight of the additional stomachs as a result of the surgery, but rather natural post-surgical gain

What would happen if

• A) The human subject kept to his previous diet (i.e, burgers and soda), merely adjusting the amounts he'd need in order to sate his hunger

• B) The human switched to a ruminant diet (i.e., grass)

In each of those situations, would the human gain or lose weight had he not had the surgery?

posted over 6 years ago

TheAsh‭

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