Cobstitution stat?

granted, why people would go to the extremes is debatable (i did for kicks, while writing a story about my character exploring this world.)
i can underatnad is going into the high thousands of weight is needlessly ineffecient, but i wondered about maybe applying a statistic that woul reduce the rate your character would lose fullness. so they can keep food effects for longer, and not have to plow back and forth from town for food. This could also effect damage intake, maybe helping reduce damage further (on top of armor)

Just a thought.