I think the grains in SAD cause water retention in the tissues and constipation in the bowel for a lot of people but personally I seldom drank water with SAD and loads of coffee and since lowcarb and paleo my coffee consumption is minimal and a lot more water...... go figure..... Oliva ----- Original Message ----- From: "Kathryn Rosenthal" <[log in to unmask]> If we eat a species appropriate diet, i.e. no grains, we will require less fluids also. Kath