News and Press Releases Search About the CF Foundation Public Policy Drug Pipeline Research Advocacy Antibiotics CFTR Modulators Patient Assistance Cystic Fibrosis Foundation Therapeutics (CFFT) Our Research Approach Adult Care Care Centers Care Team Clinical Trials Germs Medications North American CF Conference Patient Registry (-) CF-Related Complications (-) 2008 (-) News About the CF Foundation | CF-Related Complications Cough Frequency May Serve as Measure in Evaluating CF Treatments May 21, 2008 | 2 min read