Optimize your natural defenses with this essential, science-based guide and its simple program of practical strategies to help support your immune system.

In this must-read book, immunologist Leo Nissola provides a comprehensive overview of your body’s defenses, revealing what can cause problems, how to recognize warning signs, and how to fight back. Every day, bacteria, viruses, and other germs attack you, but you stay healthy most of the time. While you can’t live forever, there’s more to fighting disease than you might think, including diet, lifestyle habits, and environment. Nissola explains why improving your natural defenses should be at the top of your health priorities, and he details the cutting-edge treatments that researchers are developing to hack the immune system. He explores the latest science on immune-boosting diets, supplements, and longevity while debunking myths about antibodies, inflammation, and why some people rarely get sick.

Featuring an easy, step-by-step program, this information-packed handbook will help you support your body’s defenses, ward off aging, and maximize your health every day.

About the Author: Dr. Leo Nissola is an award-winning immunologist and cancer researcher, frequently featured as a medical expert on the BBC, CBS, FOX, MSNBC, NBC, and other networks. Dr. Nissola built, evaluated, and designed data-driven COVID-19 epidemiological models, some of which were featured by the White House in Press Briefings, while conducting early phase drug discovery immunotherapy clinical trials for patients with advanced cancer at Sean Parker's research institute, enrolling patients in leading academic institutions across the United States. He has led multi-billion-dollar drug assets at leading biotechnology and multinational pharmaceutical companies. He is a former University of Texas MD Anderson Cancer Center Medical Oncology Research Fellow, an intern at Charles First Faculty of Medicine at University Karolinska. Dr. Nissola's words and opinion have been published by numerous prestigious news outlets in the United States, including The Hill, NASDAQ, NBC News, San Francisco Chronicle, and the USA Today. He is the Chief Scientific Officer at FirstBio Research.