http://newsinhealth.nih.gov/issue/mar2013/feature2 NIH http://newsinhealth.nih.gov/issue/mar2013/feature2 Soothing a Sore Throat Newsinhealth.nih.gov Newsinhealth.nih.gov News in Health News in Health http://newsinhealth.nih.gov/issue/mar2013/feature2