Demi Moore, Cameron Diaz, Courteney Cox, and the list goes on. The world is realizing that a woman's thirties and forties can be the most beautiful, energetic, and passionate time of her life. Today's women can maximize this stage- and lay the foundation for optimal health and well-being.

Dr. Jennifer Ashton embodies this philosophy and wants to help you enjoy these often overlooked years and feel and look your absolute best. Dr. Ashton's passion, warmth, and wit have made her America's fastest-rising women's health expert and medical correspondent. Here, she outlines a powerful approach to health care that can help you unleash new energy, strength, and sexiness. Integrating the latest scientific research, she has created a five-part plan, including: