Based on the context and the answer, generate a question. 

Context: Now he is literally skin and bones , helping him shower and dress , it is just so painful to see him this way now . :( All the test they did to see if something else was causing the weight loss all came back normal . I called my neurologist - my friend- in tears , demanding to know how I could stop this process . He was so sweet to me , letting me cry rant and scream .

Answer:

Their friend is losing an unhealthy amount of weight .



What may be a fact about this situation ?