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Eli Lilly gets FDA approval for cluster headache medication

Eli Lilly's new drug Emgality was recently approved by the FDA to treat cluster headaches. It's the first medication of its kind for this condition. Christi Shaw, Eli Lilly's president of Bio-Medicines, joins Yahoo Finance's Adam Shapiro, Julie Hyman and Dan Roberts to talk about how significant this development is for the company and patients in need of relief.