What is considered a dangerous weight loss? I have lost 2 kilos within 2 days due to diarrhea and have a loss of appetite. The doctor says there is nothing to be worried about. therefore I would like to know at what rate weight loss would be a signal of a dangerous...

What generally comes first with cancer – weight loss or fever? And how bad is loss of appetite? Does it just change or is it totally gone? Is it the appetite that effects weight or is it an increased metabolism, or both? Also, how prevalent is weight loss, loss of appetite, and fever with advanced...