Debra Whitman, economist and AARP executive, shares research and wisdom from her new book, The Second Fifty: Answers to the 7 Big Questions of Midlife and Beyond. From longevity and brain health to working longer, affording retirement, and redefining purpose, Debra offers a clear-eyed yet hopeful look at what it takes to age well in America today. She also breaks down the biggest myths around memory loss, long-term care, and how your zip code affects your lifespan—and provides actionable advice for individuals, families, and employers alike.