Eli Lilly\u2019s investigational medicine for Alzheimer\u2019s met its goals in an all-important clinical trial, and we explain the results, their implications, and the backstory of what could be a blockbuster drug. We also discuss the latest news in the life sciences, including a busy week of earnings, a long-awaited FDA approval, and the highlights from STAT\u2019s Breakthrough Summit in San Francisco.