The American Heart Association’s (AHA) updated dietary guidelines haven’t changed much from the group’s previous version, but they do contain stark differences from those of the Make America Healthy Again (MAHA) recommendations that emphasize a return to “basics,” such as red meat and animal fats, in order to maintain a healthy lifestyle. “We’ve seen the consequences of it,” he explained. “The dietary guidelines came out in 1977, and it was right around 1979-80 when the obesity epidemic started. You can see the curve just start to go up."