Sign up for CNN’s Eat, But Better: Mediterranean Style. Our eight-part guide shows you a delicious expert-backed eating lifestyle that will boost your health for life . CNN  —  US Health and Human Services Secretary Robert F. Kennedy has begun the process of eliminating a US Food and Drug Administration program called GRAS, or “generally recognized as safe,” that critics say has been abused by the food industry for decades. Nearly 99% of new chemicals used in food or food packaging since 2000