The scope of the global obesity epidemic is vast, and the statistics are sobering. In 2014 nearly 2 billion people around the globe were overweight or obese, according to the World Health Organization (WHO). The prevalence of obesity worldwide has doubled since 1980, and most of the world’s population lives in countries where overweight and obesity kill more people than underweight, WHO points out. In the United States, according to Centers for Disease Control and Prevention (CDC) data, m…