Far too many women suffer from hair thinning and baldness. Even celebrities, like Naomi Campbell, are afflicted by this problem. Although it predominantly affects African-American women, women of all ethnicities can be susceptible. In his new book, Dr. Weaver’s Black Hair Loss Guide: How to Stop Thinning Hair and Avoid Permanent Baldness, Seymour Weaver III, MD tackles this problem—which remains largely unaddressed by the medical community, hairstylists, and those who are suffering from hair loss—head-on.