Hair | Wanted & Unwanted

**Rebellious Aging Guidebook: Hair** **By Robert Peterson, MD** What if everything you've been told about hair aging is incomplete? Graying, thinning, and hair loss are often dismissed as unavoidable consequences of getting older. But according to Harvard-trained plastic surgeon and longevity physician Dr. Robert Peterson, these changes are more than cosmetic—they're biological signals that can be understood, managed, and in many cases, improved. In *Rebellious Aging Guidebook: Hair*, Dr. Peterson combines decades of clinical experience with the latest research in dermatology, endocrinology, and molecular science to explain why hair changes with age and what science now reveals about preserving healthier, stronger hair. Inside, you'll discover: * The biological causes of hair thinning, graying, and hair loss * The role hormones, inflammation, nutrition, and cellular aging play in hair health * Which treatments are supported by clinical evidence—and which are driven by marketing hype * Practical, science-based strategies for maintaining healthier hair as you age Written in a clear, accessible style, this guide empowers readers to make informed decisions about hair health based on evidence rather than myths. Aging is inevitable. How you age is not. Whether you're beginning to notice changes in your hair or simply want to stay ahead of the aging process, *Rebellious Aging Guidebook: Hair* provides the knowledge you need to understand the science—and take action with confidence.