(Science Times) Since the 1980s, federal health officials have urged Americans to opt for lower-fat dairy products, like skim milk and reduced-fat yogurt, over full-fat versions. But Robert F. Kennedy Jr. and other leading figures in the Make America Healthy Again movement have recently suggested that they are going to "elevate" whole milk and other dairy products in the upcoming government guidance on what to eat and drink for good health, called the Dietary Guidelines for Americans.