Dr. Mehmet Oz and other top experts talk about why obesity is so strongly linked to the four major causes of death in the US—heart disease, cancer, stroke, and type 2 diabetes. Discover the many disorders associated with obesity: infertility, back pain, Alzheimer’s disease, sleep apnea, and more. Find out what your BMI is and why it matters. You’ll see why our bodies aren’t suited to our modern way of life. Learn how we respond to the wrong cues when we eat and ignore our natural, internal cues. Journey inside your blood vessels and see, on a microscopic level, exactly what happens when you overeat. Witness how fat cells transform from tiny individual cells into a massive tissue. How do we change the tide? Dieting is not the answer! You’ll find out how to make little changes in your life that add up to big ones.