melinda
                    
                    
                    
                    
                    
                    
                    
                        
                        
                        have you checked the internet lately it looks that they are studying this further.  There seems to be some new hopes.  Have you checked into herbal remedies.  I was told by a phy. to take at least 2000mg of Vitamin C a day.  A good herbal store has alot of recommedations.