Wellness is not measured by laboratory values as these are calibrated against 95 % of a very sick population. Dr. Brownstein discusses how to move towards optimal wellness. His approach includes strengthening the immune system which it the body's first line of defense. Removing toxic elements are important as well. I addition to reducing exposure to toxins in the environment, he describes methods to detoxify which include sauna, sweating and exercise. To boost the immune system , he discusses the importance of vitamins such as vitamin A, vitamin C and vitamin D. Iodine is also important in out pathway towards health. Oxidative stress and its effects on inflammation is an additional crucial factor in wellness Dr. Brownstein has written at least thirteen books on topics such as thyroid health, fats, healthy hormones, salt, healthy eating, statins, arthritis, vitamin B 12, gut health and ozone so he is one of America's most valued experts