Rao starts this inspiring and encouraging work by advocating for good nutrition and exercise. His strategy isn't new, but he backs up his advice with a basic understanding of food chemistry. When readers finish the book, they will understand words like "free radicals" at the cellular level. However, the health education reading is interesting and painless. The author is an MD, but clearly a talented science writer, too. He explains basic biochemistry sans jargon. For example, he explains that lower glycemic index foods just mean those that cause smaller spikes in blood glucose after consumption. Keeping glucose levels level is vital to good health.

Some of the most important chapters discuss hormones, which change during the aging process. He advocates for testosterone replacement therapy (TRT), explaining that beyond sexual function, "Low testosterone can bring on mental disorders like depression and dementia." But, he wisely explains that TRT should be done under a doctor's care, not started based on advertisements. Rao writes about the importance of food, medicine, and exercise, but he also discusses mental health practices. He points out, "If your main goal is peace, then why aren't you spending any time of your day trying to obtain it?"

Although Rao's book is designed for men, everyone can benefit from this physician's knowledge and advice. The author empowers readers to get well and stay well via healthy habits and reasonable supplementation. After reading Rao's motivational advice, readers will be able to better evaluate supplement sales, make more informed nutritional and emotional decisions, and seek appropriate professional medical assistance throughout the aging process. If readers take away one message, it is that this is the time to take action, because it is more desirable to work toward a "health span than a lifespan."

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