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Overweight & Obesity news
Prescription weight-loss medication linked to disordered eating behaviors in boys and men
As the popularity of medications for weight loss, such as Ozempic and Wegovy, surges across North America, new research raises important concerns about their use among adolescent boys and young men.
Jul 10, 2025
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Weight loss clears out aging cells and boosts lipid recycling, study finds
Scientists have produced the first detailed characterization of the changes that weight loss causes in human fat tissue by analyzing hundreds of thousands of cells. They found a range of positive effects, including clearing ...
Jul 9, 2025
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Genome editing enables mice to produce their own weight-loss drug for months
Weight-loss drugs have surged in popularity, promising rapid results with regular injections. Now, researchers from Japan report a way for the body to make its own weight-loss drugs, doing away with injections in favor of ...
Jul 9, 2025
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Tirzepatide reduces food intake and appetite, and affects brain functioning, more than placebo and liraglutide
Researchers found that tirzepatide, a medication primarily used for treating type 2 diabetes and weight loss, reduced body weight, food intake and many measures of appetite more than placebo and liraglutide. These results ...
Jul 9, 2025
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How active video games could benefit children with obesity
New research shows that contrary to the fears of many parents, video games might be able to help children with obesity exercise more.
Jul 9, 2025
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Obesity care: Why 'eat less, move more' advice is failing
For years, people living with obesity have been given the same basic advice: eat less, move more. But while this mantra may sound simple, it's not only ineffective for many, it can be deeply misleading and damaging.
Jul 9, 2025
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Which factors affect the success of popular prescription weight loss drugs in individuals?
A study in Diabetes, Obesity and Metabolism has identified certain characteristics that might influence people's weight loss after taking prescription drugs called glucagon-like peptide-1 receptor agonists (GLP-1RAs), such ...
Jul 9, 2025
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Dementia protection linked to where the body lies—belly fat a risk factor
Men with high levels of belly fat are at increased risk of dementia, according to a new study by Monash University researchers of more than 17,000 individuals aged 65 to 98 years in the ASPREE Study.
Jul 8, 2025
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A bigger waist may increase the risk of dying for older women
Older women with larger waist circumference may be at a much greater risk of dying for any given BMI, according to international research, which monitored women over more than two decades. The study found that for post-menopausal ...
Jul 8, 2025
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The myth of 200 daily food decisions: Study challenges widely-cited claim
Researchers at the Max Planck Institute for Human Development have critically examined the basis for a frequently cited figure: that people make more than 200 unconscious decisions about food every day. This figure has circulated ...
Jul 7, 2025
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1 in 5 overweight adults could be reclassified as obese according to new framework
A cross-sectional and longitudinal analysis examined the distribution of people by obesity level using the European Association for the Study of Obesity's (EASO) new framework and determined the risk of death of those newly ...
Jul 7, 2025
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Fatty diets linked to brain cell changes, but astrocyte manipulation can reverse obesity effects
Fatty diets and obesity affect the structure and function of astrocytes, the star-shaped brain cells located in the striatum, a brain region involved in the perception of pleasure generated by food consumption. What is even ...
Jul 7, 2025
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How body mass index affects breast cancer risk in postmenopausal women with and without cardiovascular disease
New research reveals that excess weight is linked to an especially high risk of developing breast cancer in postmenopausal women with cardiovascular disease. The findings are published in Cancer.
Jul 7, 2025
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Time-restricted eating does not impact sleep, mood, quality of life: Study
For adults with overweight or obesity, time-restricted eating (TRE) does not lead to significant changes in sleep, mood, or quality of life, regardless of the timing of the eating window, according to a study published online ...
Jul 3, 2025
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Smaller size of reward-processing brain regions precedes weight gain in youth with high financial adversity
Given the rising rates of childhood obesity and its association with multiple chronic diseases, a team of Children's Hospital Los Angeles researchers examined the relationships between financial adversity, changes in the ...
Jul 3, 2025
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Obese mice live 26% longer with a single protein overexpression
University of Texas Southwestern Medical Center scientists found that activating fibroblast growth factor 21 (FGF21) exclusively in the fat tissue of adult male mice prolonged lifespan under sustained high-fat diet feeding, ...
Obesity linked to financial hardship, food insecurity
Obesity is associated with financial hardship and food insecurity, according to a research letter published online June 24 in the Annals of Internal Medicine.
Jul 2, 2025
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Degree of weight loss affects tirzepatide-linked cardiometabolic risk improvement: Study
For adults with obesity or overweight, tirzepatide-linked improvements in cardiometabolic risk factors are associated with the degree of weight reduction, according to a study published online June 24 in the Annals of Internal ...
Jul 1, 2025
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Gut microbiota play pivotal role in disordered eating tied to repeated dieting, researchers find
For the first time, the gut microbiota has been shown to play a pivotal role in the risk of disordered eating behavior stemming from yo-yo dieting. Researchers conducted a preclinical study showing that repeated dieting leads ...
Jun 30, 2025
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Striking increase in obesity observed among youth between 2011 and 2023
A brief research report evaluated obesity among U.S. children and adolescents from 2011 to August 2023 and compared changes before and during the COVID-19 pandemic.
Jun 30, 2025
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Study finds abdominal fat causes more blood vessel harm than subcutaneous fat
Obesity plays a crucial role in how severely blood vessels are damaged—and this depends on where excessive fat accumulates in the body. This is the finding of a research team from the German Center for Cardiovascular Research ...
Jun 26, 2025
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Intestinal hormone accelerates fat burning and promotes weight loss in obese mice
Research carried out on mice has revealed how a hormone released by the intestine acts on the brain and helps regulate the body's energy expenditure. FGF19 (fibroblast growth factor 19) activates mechanisms that stimulate ...
Jun 26, 2025
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Malnutrition may be a hidden health factor for people with obesity and osteoarthritis
Malnutrition could be a hidden culprit that lowers quality of life for people with larger bodies, especially if they have a health condition like osteoarthritis, University of Alberta research has found.
Jun 26, 2025
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