09 Sep 2021 Blackmores Unhealthy, ultraprocessed foods now make up nearly 70% of children’s and teens diets 09 Sep 2021 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Published in JAMA, a large cross-sectional study measured the dietary habits of 33 795 youths aged 2 to 19 years old, taken from the 1999–2018 US National Health and Nutrition Examination Surveys (NHANES). × To continue reading this article, please Log In or Sign Up for access.