person A: We recently found out that our 15 year old son has a rare_comma_ degenerative neurological disease.
person B: Im so sorry to hear that. Is there treatment or a cure?
person A: No_comma_ the doctors tell us there is no cure. They are trying to treat the symptoms but thus far its been unsuccessful.
person B: That sounds awful. How is he feeling?
person A: Thank you_comma_ its been scary. He has good days and bad. 