Your stomach will get smaller and therefore it will take less food to make you feel full.
Their brains are not working right. They don't think logically and they do stupid things. They can get brain damage, they can hut themselves and/or others.
90% of water gets reabsorbed. When water passes by the large intestines, most of it gets reabsorbed there in order to maintain normal organ functioning. Water reabsorption also serves as a factor in maintaining homeostasis so as to prevent dehydration.
