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New clinical definition outperforms BMI in diagnosing obesity

Weight management news

New clinical definition outperforms BMI in diagnosing obesity

A new diagnostic definition of obesity outperforms body mass index (BMI) in identifying differences in health and prognosis, including mortality risk, according to a large international study published in Nature.

6 minutes ago

Effective obesity treatments reach few eligible teens, study finds

Despite the arrival of powerful new anti-obesity medications and growing evidence supporting weight-loss surgery for adolescents, the vast majority of eligible teens are receiving neither treatment, according to a new study ...

3 hours ago

Fewer than 5% of US military veterans may achieve optimal heart health

Fewer than 5% of U.S. military veterans may achieve optimal cardiovascular health based on the American Heart Association's Life's Essential 8 metrics, highlighting an urgent opportunity to improve prevention and help veterans ...

6 hours ago

Resistance training key to maintaining muscle function during GLP-1 weight loss, study shows

A study has revealed that resistance (weight) training not only preserves lean and muscle mass but also increases strength in people taking weight-loss medication. Published in Nature Medicine, the Tirzepatide and Resistance ...

21 hours ago

Night owls who eat late may face higher health risks

A new study led by UTHealth Houston identified a link between late-night eating and sleeping habits, gut health and metabolic disease, offering new insights into why some individuals with obesity may face a risk of inflammation ...

21 hours ago

Successful sleep apnea treatment may lead to unexpected weight gain

A new study from Ben-Gurion University of the Negev (BGU) and Soroka University Medical Center may have uncovered a biological mechanism behind why many adults and children gain weight following successful treatment for obstructive ...

16 hours ago

Daily, oral GLP-1 medication reduced episodes of sleep apnea in adults with excess weight

Adults with moderate-to-severe sleep apnea and excess weight had significantly fewer episodes of breathing interruptions while sleeping after taking the daily oral GLP-1 medication orforglipron for one year, compared with ...

20 hours ago

HIV activism offers a roadmap for tackling weight stigma

Although HIV and obesity are not mirror images, lessons from the HIV response could accelerate fairer and more effective care for people living with obesity.

22 hours ago

Semaglutide may lower fetal oxygen levels, sheep study suggests

They're the blockbuster drugs transforming weight loss, helping millions of people to shed unwanted kilograms. But while medications such as Ozempic and Wegovy may also improve women's chances of becoming pregnant, what happens ...

Nov 10, 2026

Why obesity affects males and females differently

University of California, Riverside, scientists have an explanation for why males and females respond differently to obesity. They report in PNAS Nexus that certain immune cell populations in fat tissue may protect against ...

Nov 9, 2026

The stroke risk younger adults may be overlooking—and the symptoms that should never be dismissed

Stroke is often seen as a condition that only affects older people. Yet the incidence of stroke in older people has actually fallen in recent decades. At the same time, rates of stroke in under-55s have been on the rise.

Nov 9, 2026

Experimental weight-loss drug eases painful knee osteoarthritis in two clinical trials

For people with painful knee osteoarthritis (OA) who are overweight or have obesity, everyday activities such as walking, climbing stairs and standing up from a chair can be difficult. In two Northwestern University–led Phase ...

Nov 8, 2026

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Bariatric surgery is effective rescue strategy after GLP-1 receptor agonist failure

Bariatric surgery is associated with clinically meaningful two-year weight loss after semaglutide or tirzepatide intolerance or inadequate response, according to a study published online Nov. 3 in the Annals of Surgery.

Nov 6, 2026

Obesity drugs could lead to new ways to protect the brain

Drugs such as semaglutide and tirzepatide are already used to treat obesity and type 2 diabetes, but they also influence biological processes important for brain function. In a new review published in Science, researchers ...

Nov 6, 2026

Knee osteoarthritis: Symptoms, diagnosis and treatment

Knee osteoarthritis (OA) is the most common type of arthritis, affecting about 528 million adults worldwide.

Nov 4, 2026

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Stair climbers are said to boost fitness, strength and bone health—here's what the evidence actually says

The stair climber has seen a huge surge in popularity on social media in recent years. Proponents of the exercise machine rave about its benefits—claiming it can boost cardiovascular fitness, strength and bone health.

Nov 4, 2026

Australia is set to get a Wegovy pill. How does it compare with weight‑loss injections?

A new tablet version of Wegovy, a peptide used to help people lose weight, has been approved for the first time in Australia.

Nov 4, 2026

Earlier bedtime linked to greater weight loss in prediabetes trial

Going to bed earlier is associated with weight loss in people with prediabetes, according to a randomized controlled trial led by researchers at NYU Rory Meyers College of Nursing.

Nov 3, 2026

Nearly 1 in 5 people in the US think about food even when they are not hungry

"Food noise" refers to intrusive thoughts about and cravings for food, whether or not a person is hungry. The phenomenon has become widely discussed on social media, in traditional media and in commercials for GLP-1 receptor ...

Nov 3, 2026

Why people trust weight‑loss drug advice on social media, even when it may be misleading

Imagine scrolling through social media and seeing dramatic weight-loss results from people taking Mounjaro, Wegovy or Ozempic. They share photographs, discuss side effects and recommend ways to get the best results.

Nov 3, 2026

Swedish dietary surveys link higher ultraprocessed food intake to poorer nutrition

A higher proportion of ultraprocessed food in the diet is generally associated with poorer dietary quality and, among adults, a somewhat higher prevalence of overweight and obesity. This is shown by a study that also critically ...

Nov 2, 2026

GLP-1 meds linked to lower diabetes, heart risks than standard diabetes prevention medication

GLP-1 (glucagon-like peptide-1 receptor agonists) medications, currently popular for weight loss, may help prevent type 2 diabetes and lower the risk of heart attack and stroke more than the standard diabetes prevention medication ...

Nov 2, 2026

Study challenges assumption that more lean body mass means better metabolic health

The relationship between muscle mass and metabolic health may be more complicated than previously understood, according to a new study from Pennington Biomedical Research Center. Researchers found that where fat is stored ...

Nov 2, 2026

Exploring sex differences in how the brain adapts to overeating

Overeating alters neural pathways involved in feeding and metabolism, but how fast do these adaptive changes occur? And do these adaptations occur similarly in males and females?

Nov 2, 2026