By Stacy Paulsen July 06, 2026 Sinclair explains why more people are talking about hair loss, how to tell what’s normal, and what today’s science says about treating it. Listen to this article. A brush full of strands. Hair collecting around the shower drain. A ponytail that feels thinner than it used to. For many people, that’s how hair thinning begins. If it seems like hair loss is suddenly everywhere—in conversations, headlines, and social media—you aren't imagining it.