(HealthDay)—The global prevalence of primary sclerosing cholangitis (PSC) ranges from 0.96 percent in Crohn disease (CD) to 2.47 percent in ulcerative colitis (UC), according to a review published online...

Around 550 million people have chronic obstructive pulmonary disease (COPD), according to two University of Manchester medical students. The figure more than doubles the previous estimate of 251 million...