Original sentence: Aerobic exercise is of great benefit to people with CF.Due to the severity of coughing and the subsequent spitting up of phlegm most CF patients are unwilling to, or are unable to exercise in public areas.Exercising privately also has the added benefit of limiting exposure to other people and/or exercise equipment that can hold MRSA, b.These activities give the CFer the privacy to cough and clear their lungs of phlegm, and they don't have to worry about disturbing any other person who has not had experience with a Cystic Fibrosis patient.Walking, riding in a forest, or swimming in a river provides a better alternative to exercising in public.cepacia, pseudomonas, etc
Edited sentence: Aerobic Exercise is of great benefit to PWCF, but because of the severe cough and spitting up phlegm most PWCF feel embarrassed, or are unable to exercise in public areas.Walking or riding in a forest or swimming in a river provides a better place to cough and spit than a street or public pool