my brother is a51 year old who has been walking around with only half of one kidney working he is over wieght has been vomiting daily sometimes more , he's had a cat scan done . no tumors had biopsy done waiting for results , he s very gray and now has trouble going to the bathroom.......he who never complains ever feels like he s dying it's been going on for awhile why can't the doctors give us any answers and what should we do next he's starting to get depressed about this anything please