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Overweight & Obesity news

Health

Global food systems driving twin crises of obesity and global warming, says review

A major review in Frontiers in Science highlights how tackling unsustainable food systems—reflected by our changing food environment—is urgent for both health and climate.

Inflammatory disorders

Obesity and inflammation may accelerate lung aging and increase the risk of COPD

A Brazilian study involving nearly 900 participants under the age of 40 reinforces the idea that premature lung aging is linked not only to smoking but also to factors such as obesity and systemic inflammation. These two ...

Overweight & Obesity

Ret finger protein: A hidden molecular switch that fuels obesity

Obesity is one of the greatest burdens of global public health. One major factor that drives obesity is excessive fat accumulation. Despite decades of research, the biological processes that trigger this abnormal fat accumulation ...

Overweight & Obesity

States retreat from covering drugs for weight loss

Some states are rethinking their coverage of GLP-1 drugs for weight loss as budgets tighten and Medicaid programs brace for the cuts included in President Donald Trump's broad tax and spending law.

Psychology & Psychiatry

One short quiz could help people stick to their weight loss plans

A new study, published in JMIR Formative Research, has found that people who answered a brief quiz to determine their "eating profile" were more likely to stick with their program and stay committed to their weight loss goals ...

Overweight & Obesity

COVID-19 pandemic linked to increases in childhood obesity

The COVID-19 pandemic not only disrupted children's education, recreation, and social lives, but it also increased the prevalence of obesity in the U.S. pediatric population by roughly 1 million youngsters, according to a ...

Alzheimer's disease & dementia

Blood test shows obesity speeds Alzheimer's development

Researchers have conducted the first study evaluating the impact of obesity on Alzheimer's disease blood biomarkers (BBMs). BBM values increased up to 95% faster in individuals with obesity than in non-obese individuals, ...

Overweight & Obesity

WHO backs GLP-1 treatments to tackle obesity epidemic

A range of blockbuster weight-loss and diabetes drugs could help shift the trajectory of the global obesity epidemic, which affects over one billion people worldwide, the World Health Organization said Monday.

Medications

WHO recommends Ozempic-style weight loss drugs for obesity

Obesity affects more than 1 billion people worldwide and is recognized by the World Health Organization as a chronic, relapsing disease associated with substantial morbidity, mortality, and economic burden.

Health

Study links America's favorite cooking oil to obesity

Soybean oil, the most widely consumed cooking oil in the United States and a staple of processed foods, contributes to obesity, at least in mice, through a mechanism scientists are now beginning to understand.

Diseases, Conditions, Syndromes

New study links obesity to long COVID symptoms

New research by Edith Cowan University (ECU) Center of Precision Health visiting Ph.D. scholar Ms. Debora Barbosa Ronca found that people with excess weight are more likely to experience long-term neurological and mental ...

Overweight & Obesity

US diet company WeightWatchers files for bankruptcy

The famed US diet company originally known as WeightWatchers said it has filed for bankruptcy but will continue operations while its $1.15-billion debt is restructured.

Overweight & Obesity

Intermittent fasting: Is it the calories or carbs that count?

Intermittent fasting is not only a useful tool for weight loss, it's also shown to have many benefits for metabolic health—independent of weight loss. Yet many people may find intermittent fasting to be a challenge, especially ...

Overweight & Obesity

Why aren't people who need weight loss drugs getting them?

Weight-loss medications such as Ozempic, Wegovy, and Mounjaro have attracted widespread attention, making headlines across pop culture and scientific sectors alike. But it appears that hearing about these medications is a ...

Overweight & Obesity

Growing number of US adolescents receive weight-loss surgery

Weight-loss surgeries for adolescents increased 15% in the U.S. between 2021 and 2023, even as the Food and Drug Administration (FDA) approved effective new weight-loss medications for this age group, a study led by UT Southwestern ...

Health

Body mass index (BMI): What it tells you—and what it doesn't

Body Mass Index, or BMI, is a number that reflects the relationship between your height and weight. It's widely used in health care and public health to categorize body size and estimate potential risk for weight-related ...

Overweight & Obesity

From diet to drugs: What really works for long-term weight loss

More than 2.5 billion adults worldwide are currently overweight or obese, according to estimates from the World Health Organization. This staggering number highlights a growing global health crisis. Obesity isn't just about ...

Overweight & Obesity

Compound in tomatoes may help stave off weight gain

New research suggests that lycopene, which gives fruits like tomatoes and watermelons their bright red color, supports healthy liver functioning and may help prevent weight gain. Researchers will present their work this week ...

Overweight & Obesity

Antibiotic exposure before age two linked to childhood obesity

Taking antibiotics within the first two years of life is linked to a higher body mass index (BMI) in childhood, according to a new study. The research was presented at the Pediatric Academic Societies (PAS) 2025 Meeting, ...