Support WBURWhy The U.S. Remains The Most Expensive Market For 'Biologic' Drugs In The WorldPlay03:53Download AudioSarah Jane TribbleDecember 19, 2018 ShareSusie Christoff tried several drugs to cope with her painful psoriatic arthritis before finding Cosentyx worked the best. The problem was the cost. (Chris Bartlett/for Kaiser Health News)
