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American Diet Slowly Gets a Tiny Bit Better, Still Needs Improvement

The standard American diet is infamous for its high levels of refined carbs, sugar, and saturated fats. To see if nutrition initiatives are taking hold, researchers analyzed the diets of 43,996 U.S. adults in 1999 and then again in 2016. Over this time period, people got 1.23% more calories from high quality carbs (whole grains), 0.38% more calories from plant protein, 0.65% more calories from polyunsaturated fats, and 3.25% fewer calories from low quality carbohydrates (sugar and refined grains). Unfortunately, calories from saturated fat increased by 0.36%, and the general diet is still far from ideal, with 42% of calories still coming from low quality carbs, and saturated fat remaining above 10% of energy intake.
JAMA. 2019 Sep 24;322(12):1178-1187. doi: 10.1001/jama.2019.13771.(Shan Z et al.)