One glass of juice a day could be adding to weight gain in kids

Embargoed until: Publicly released:

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts.

Meta-analysis: This type of study involves using statistics to combine the data from multiple previous studies to give an overall result. The reliability of a meta-analysis depends on both the quality and similarity of the individual studies being grouped together.

Systematic review: This type of study is a structured approach to reviewing all the evidence to answer a specific question. It can include a meta-analysis which is a statistical method of combining the data from multiple studies to get an overall result.

People: This is a study based on research using people.

Drinking 100% fruit juice is linked to weight gain in children, according to an analysis of published studies, which included Australian data. The authors found just one serving per day of 100% fruit juice was linked to a body mass index (BMI) gain among children. In adults, the study also found a link, however this link disappeared when they adjusted the data to account for total energy intake, which suggests it is the extra energy or calories found in fruit juice which is producing the effect. The researchers say their findings support recommendations to limit the consumption of fruit juice to prevent the intake of excess calories and weight gain.

Journal/conference: JAMA Pediatrics

Link to research (DOI): 10.1001/jamapediatrics.2023.6124

Organisation/s: University of Toronto, Canada

Funder: This study was supported by
funding from the Ontario Graduate Scholarship,
Peterborough KM Hunter Charitable Foundation
Graduate Award, Dalton Whitebread Scholarship
Fund, and SMART Healthy Cities Trainee Award
(Ms Nguyen).

Media release

From: JAMA

Consumption of 100% Fruit Juice and Body Weight in Children and Adults
About The Study: This systematic review and meta-analysis of 42 eligible studies, including 17 among children (n = 45,851) and 25 among adults (n = 268,095), found a positive association between intake of 100% fruit juice and weight gain in children. Analysis of cohort studies in adults found a significant positive association among studies unadjusted for total energy, suggesting potential mediation by calories; an analysis of trials in adults found no significant association between 100% fruit juice consumption and body weight. The findings support guidance to limit consumption of fruit juice to prevent the intake of excess calories and weight gain.
Authors: Vasanti S. Malik, M.Sc., Sc.D., of the University of Toronto, is the corresponding author.


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