Report Says Low-Fat Diet Recommendations Lacked Evidence.

argues that guidelines on fat consumption first issued in the 1970s lacked evidence, and that such recommendations “should never have been made.” She concluded that the data available at the time guidelines were issued in 1977, “did not provide any support for the idea that eating less fat would translate to fewer cases of heart disease.” She further points out that the recommendation that fat be no more than 30 percent of daily calories, “wasn’t tested, let alone proven.” Because of such findings, the American Heart Association “has gradually revised its guidelines and moved away from the strict guidance to lower fat intake.” Harcombe came to the stronger conclusion that “dietary interventions did not provide the evidence that dietary fat is associated with heart disease outcomes.” http://time.com/3702058/dietary-guidelines-fat-wrong/