By Ariahna Santiago and Hajar Aboueddahab April 16, 2026 Youthcast Media Group ® Celebrities often use their platforms to promote projects, partnerships, and brands. But when they speak openly about their own health struggles, that influence can take on a different role in shaping public perception and increasing awareness of serious conditions. Dr. Joshua Sharfstein is shown in October 2025 with Youthcast Media Group student Luciana Diaz, who is holding the book he co-author