> Your physical labour people probably consume more calories than they use. It really comes down to this at the end of the day. Assuming someone is reasonable

> Your physical labour people probably consume more calories than they use. It really comes down to this at the end of the day. Assuming someone is reasonable about what they eat (not garbage), if you consume more than you expand, you're gaining weight that is mostly fat, unless you're doing some type of resistance exercise like barbells, which would result in both fat and muscle gain if, again, you don't eat trash diet.