In the first segment, Dr. Stacey Clardy talks with Dr. Daniel Hartung about whether closing the Part D coverage gap between 2010-2019 lowered patients' out-of-pocket costs for multiple sclerosis drugs. In the second part of the podcast, Dr. Teshamae Monteith discusses sex, exercise, and other benign causes of thunderclap headache with Dr. Jonathan Smith in the final part of our four-part series on thunderclap headache.