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1/3 Children Worldwide Forecast to be Obese or Overweight by 2050

The AHA! Team — Mon, 02 Jun 2025 05:39:15 +0000

Murdoch Childrens Research Institute via EurekAlert! – Obesity rates are set to skyrocket, with one in six children and adolescents worldwide forecast to be obese by 2050, according to a new study. But with significant increases predicted within the next five years, the researchers stress urgent action now could turn the tide on the public health crisis. The research, led by Murdoch Children’s Research Institute (MCRI) and published in The Lancet, found a third of children and adolescents will be overweight (385 million) or obese (360 million) within the next 25 years. The forecast equates to 356 million children aged 5–14 years and 390 million aged 15–24 years with one in six facing obesity. The global obesity rate for those between 5-24 years old tripled from 1990 to 2021, rising by 244 per cent to 174 million, suggesting that current approaches to curbing increases in obesity have failed a generation of young people. As of 2021, 493 million children and adolescents were overweight or obese. MCRI Dr Jessica Kerr said if immediate five-year action plans were not developed, the future was bleak for our youth. “Children and adolescents remain a vulnerable population within the obesity epidemic,” she said. Prevention is key as obesity rarely resolves after adolescence. “This giant burden will not only cost the health system and the economy billions, but complications associated with a high Body Mass Index (BMI), including diabetes, cancer, heart problems, breathing issues, fertility problems and mental health challenge, will negatively impact our children and adolescents now and into the future, even holding the potential to impact our grandchildren’s risk of obesity and quality of life for decades to come. “Despite these findings indicating monumental societal failures and a lack of coordinated global action across the entire developmental window to reduce obesity, our results provide optimism that this trajectory can be avoided if action comes before 2030.” The analysis, released on World Obesity Day, used the 2021 Global Burden of Diseases, Injuries, and Risk Factors Study led by the Institute for Health Metrics and Evaluation to estimate the latest overweight and obesity levels and forecasts in 204 countries and territories. The United Arab Emirates, Cook Islands, Nauru and Tonga are forecast to have the highest prevalence while China, Egypt, India and the US will have the greatest number of children and adolescents with obesity by 2050. In Australia, children and adolescents have experienced some of the fastest transitions to obesity in the world. Girls are already more likely to be obese than overweight. Overall, by 2050 for those aged 5-24 years, 2.2 million are forecasted to be obese and 1.6 million overweight. Globally, there will be more boys, 5–14 years, with obesity than being overweight by 2050. “Without urgent policy reform, the transition to obesity will be particularly rapid in north Africa, the Middle East, Latin America and in the Caribbean, where the rise is concurrent with high population numbers and limited resources,” Dr Kerr said. “Many regions have historically had to focus on preventing undernutrition and stunting in children. To prevent a public health emergency from this newer threat, an immediate imperative should be creating national surveillance surveys of obesity in children and adolescents in every country.” Dr Kerr said older adolescent girls, aged 15-24 years entering their reproductive years, were a priority population for intervention. “Adolescent girls who are obese are a main focus if we are to avoid intergenerational transmission of obesity, chronic conditions and the dire financial and societal costs across future generations,” she said. “With this age group increasingly being out of school and cared for by adult services, we need to focus interventions at the community and commercial level.” MCRI Professor Susan Sawyer said governments needed to invest in multicomponent strategies that reduce obesity drivers, across food and drink, activity, lifestyle and the built environment. “While people and families can work to balance their physical activity, diet and sleep, everything in our environments works to counteract these efforts,” she said. “Given this huge global shift in children’s and adolescents’ weight, we can no longer keep blaming people for their choices. We require governments to step up by addressing regulatory interventions including taxing sugar sweetened beverages, banning junk food advertising aimed at children and young people and funding healthy meals in primary and secondary schools. We also need to consider the benefits of wider policies such as overhauling urban planning to encourage active lifestyles.” Publication: ‘Global, regional, and national prevalence of child and adolescent overweight and obesity, 1990-2021, with forecasts to 2050: a forecasting study for the Global Burden of Disease Study 2021,’ The Lancet. *The content of this communication is the sole responsibility of MCRI and does not reflect the views of the NHMRC. Available for interview: Dr Jessica Kerr, MCRI Adolescent Health researcher Professor Susan Sawyer, MCRI, Group Leader, Adolescent Health Professor Peter Azzopardi, MCRI, Group Leader, Global Adolescent Health Journal The Lancet DOI 10.1016/S0140-6736(25)00397-6 To read the original article click here.

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Greater Screen Time Usage Among Preteens Associated with Higher BMI One Year Later

AHA Publisher — Fri, 09 Jul 2021 07:00:50 +0000

University of Toronto via News-Medical – A new national study finds that children in the United States with greater screen time usage at ages 9-10 are more likely to gain weight one year later. The study, publishing in Pediatric Obesity on June 28, found that each additional hour spent on virtually all forms of screen time was associated with a higher body mass index (BMI) one year later. In particular, researchers found that each extra hour spent watching or streaming television, YouTube videos, video games, video chat, and texting led to a higher risk of weight gain one year later. At the start of the study, 33.7% of children were considered overweight or obese, and this increased to 35.5% one year later, a proportion that is expected to rise in the late teens and early adulthood. BMI is calculated based on height and weight. Researchers analyzed the BMI z-scores, which is relative weight adjusted for a child’s age and sex, of 11,066 preteens who are part of the Adolescent Brain Cognitive Development Study, the largest long-term study of brain development in the United States. The children answered questions about their time spent on six different screen time modalities, including television, social media, and texting. “Screen time is often sedentary and may replace time for physical activity. Children are exposed to more food advertisements and are prone to snacking and overeating while distracted in front of screens.” (Jason Nagata, MD, lead author, assistant professor of pediatrics, University of California, San Francisco) “A negative body image and subsequent overeating may be a result of exposure to social media and unattainable body ideals,” said senior author, Kyle T. Ganson, PhD, assistant professor at the University of Toronto’s Factor-Inwentash Faculty of Social Work. “This study emphasizes the need for more research on how screen time impacts the well-being of young people now and in the future.” “The study was conducted prior to the COVID-19 pandemic, but its findings are especially relevant for the pandemic,” noted Nagata. “With remote learning, the cancellation of youth sports and social isolation, children have been exposed to unprecedented levels of screen time.” “Screen time can have important benefits such as education and socialization during the pandemic, but parents should try to mitigate risks from excessive screen time including increased sedentary time and decreased physical activity. Parents should regularly talk to their children about screen-time usage and develop a family media use plan,” said Nagata. To read the original article click here.

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Overweight or Obesity Amplifies Harmful Effects of Alcohol on the Liver

AHA Publisher — Fri, 04 Jun 2021 07:00:55 +0000

University of Sydney via News-Medical – Led by the University of Sydney’s Charles Perkins Centre, the study looked at medical data from nearly half a million people and found having overweight or obesity considerably amplified the harmful effects of alcohol on liver disease and mortality. “People in the overweight or obese range who drank were found to be at greater risk of liver diseases compared with participants within a healthy weight range who consumed alcohol at the same level. Even for people who drank within alcohol guidelines, participants classified as obese were at over 50 percent greater risk of liver disease.” (Professor Emmanuel Stamatakis, senior author and research program director, Charles Perkins Centre and the Faculty of Medicine and Health) The researchers drew upon data from the UK Biobank – a large-scale biomedical cohort study containing in-depth biological, behavioural, and health information from participants in the United Kingdom (UK). According to the researchers, this is one of the first and largest studies looking at increased adiposity (overweight or obesity) and level of alcohol consumption together, in relation to future liver disease. Information was examined from 465,437 people aged 40 to 69 years, with medical and health details collected over an average of 10.5 years. The findings were published in the European Journal of Clinical Nutrition. Lead author Dr Elif Inan-Eroglu, a postdoctoral research fellow with the Charles Perkins Centre, said the results suggest people carrying excess weight may need to be more aware of risks around alcohol consumption. “With the most recent data suggesting two in three people – or 67 percent of the Australian population are in the overweight or obesity range, this is obviously a very topical issue.” Key Findings The researchers reviewed data on participants classified as overweight/obese based on their body mass index (BMI) and waist circumference, self-reported alcohol consumption according to UK alcohol guidelines, and liver disease incidence and liver disease as cause of death. BMI is based on both weight and height. A BMI of over 25 denotes overweight, and over 30 denotes obesity. For waist circumference, researchers used the World Health Organization (WHO) classification: normal (<80 cm for women, <94 cm for men), overweight (>80 cm for women, >94 cm for men), and obese (>88 cm for women, >102 cm for men). The level of risk was given a number called a ‘hazard ratio’. The higher the number than 1, the higher the risk. People who drank above UK alcohol guidelines had, compared to within guideline drinkers: oA nearly 600 percent higher risk of being diagnosed with alcoholic fatty liver disease(5.83 hazard ratio). oA nearly 700 percent higher risk of death caused by alcoholic fatty liver disease (6.94 hazard ratio). People with overweight or obesity who drank within or above alcohol guidelines had over 50 percent greater risk of developing liver disease compared to normal weight participants who consumed alcohol at the same level. To read the original article click here.

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CDC Reveals Connection to Weight & COVID: 79% of Hospitalized Americans Were Obese, Overweight

AHA Publisher — Thu, 11 Mar 2021 08:00:58 +0000

Andrea Morris via CBN News – Shocking news was released from the CDC Monday revealing that a vast majority of people who have been hospitalized, placed on a ventilator, or died from COVID-19 were obese or overweight. The new study shows that nearly 150,000 people at 238 U.S. hospitals tested positive for COVID-19 from March to December last year. Of those patients, 28.3 percent were overweight and 50.8 percent were obese. Overweight is identified as having a body mass index (BMI) of 25 or more and those who are considered obese have a BMI of 30 or more. The CDC discovered that the risk for hospitalizations, ICU admissions, and death was at its lowest level for patients with a BMI under 25. And the possibility of developing a serious illness “sharply increased,” for those with a higher BMI, especially for people 65 and older. “As clinicians develop care plans for COVID-19 patients, they should consider the risk for severe outcomes in patients with higher BMIs, especially for those with severe obesity,” the agency wrote. And the CDC reports that 73.6 percent of adults aged 20 and older are considered overweight while 42.5 percent within that same age bracket are obese. The CDC added that “These results highlight the need to promote and support a healthy BMI, which might be especially important for populations disproportionately affected by obesity, particularly Hispanic or Latino and non-Hispanic black adults and persons from low-income households, which are populations who have a higher prevalence of obesity and are more likely to have worse outcomes from COVID-19 compared with other populations.” “As clinicians develop care plans for COVID-19 patients, they should consider the risk for severe outcomes in patients with higher BMI’s, especially for those with severe obesity,” the agency added. Meanwhile, the World Obesity Federation (WOF) reports that of the 2.5 million COVID-related deaths that were reported at the end of last month, 2.2 million were in countries where over half the population is deemed overweight. To read the original article click here. For more articles from CBN News click here.

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