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The best deep dive into the diseases that plague us all today, and what to do to heal.' Jessie Inchauspe, The Glucose Goddess 'A powerful vision for a brighter future – for both people and the planet.' Jay Shetty 'A tour de force' Dr Mark Hyman Fix your metabolism to feel better today and prevent disease tomorrow. A bold new vision for optimizing our health now and for the future. The five biomarkers that determine your risk for a deadly diseaseSix lifelong food principles to implement whether you’re carnivore or veganThe crucial links between sleep, circadian rhythm, and metabolismA framework for exercise focused on building simple movement into every dayHow cold and heat exposure helps build our body’s resilienceSteps to navigate the medical system to get what you need for optimal healthGood Energy offers a new, cutting-edge understanding of the true cause of illness. It will help you optimize your ability to live well and stay well at every age. About the Author Dr Casey Means is the Chief Medical Officer and Co-founder of Levels. She is also a faculty member at Stanford University, where she lectures on metabolic health and healthcare technology. She has been interviewed by top-tier media publications including The New York Times, The New Yorker, Wall Street Journal, Good Morning America, GQ, Men's Health, Women’s Health, and Real Simple. Casey received her undergraduate degree from Stanford and graduated from Stanford Medical School with honors and completed five years of residency in Head & Neck Surgery at Oregon Health and Science University before leaving traditional medicine to devote her life to tackling the root cause of why Americans are sick and the ways in which they can help themselves become healthy.