 [ Symptoms ] what weighs more muscle or fat  im just wondering about weight gain due to muscle growth my wife has been working out for some time with weights and cardio training but she is finding that her weight has been fluctuating and at times gains weight a little bit [ Disease ] hi primarily this does to seem to be oral cancer but in early stages only clinical inspection will not confirm it a biopsy and histopathology will confirm the diagnosis better to get it done to be on safer side thanks