President-elect Donald Trump has tapped Robert F. Kennedy Jr. to head the Department of Health and Human Services. Kennedy has vowed to improve the nation’s health by attempting to end what he calls the chronic disease epidemic. NTD breaks down the numbers behind health challenges Americans face, including high obesity rates amid large intake of ultra-processed foods, and a lagging life expectancy rate. Kennedy seeks to remove harmful chemicals from foods and redirect government research funding from a prescription drug-centered approach to one investigating holistic approaches to health.