Weight Loss

Nearly 1 in 5 Americans Report Frequent Thoughts About Food

A national survey finds that food noise is more common among younger adults, women and people who struggle with feeling in control of their eating.

What Counts as Ultraprocessed Food? It Depends on How You Define It

A new study finds that estimates of how much ultraprocessed food people eat can vary dramatically, raising questions about what the label really tells us.

Does Protein Source Matter for Weight Loss?

A new study links eating more plant protein to greater weight loss, but researchers say other dietary changes may help explain the results.

Children Who Eat More Ultraprocessed Foods Show Stronger Brain Responses

In a small study, stronger brain responses to appealing food images were also associated with greater increases in body fat over the following year.

Managing Emotions May Help Teens Maintain Weight Loss

In a clinical trial, teenagers who received emotional support alongside family weight-management treatment reported less emotional eating and regained less weight.

Afterschool Program Was Linked to a Healthier BMI Trend in Children

A six-week program focused on sugary drinks and water was associated with a more favorable BMI pattern over the following year, though beverage changes alone may not explain the result.

Comparing Your Body with Your Past Self May Affect How You Feel Now

A new study found that people who often compared their current appearance with a past version they preferred also reported more body shame and more signs of disordered eating.

Healthy Grocery Program Linked to Better Blood Pressure and Weight

Adults who received free, healthy groceries for nearly three years showed improvements in blood pressure, weight and BMI, though the small study cannot prove the food program caused those changes.

Early GLP-1 Pregnancy Data Are Reassuring, but Major Questions Remain

A review of more than 43,000 women with diabetes found no increased risk of birth defects after early GLP-1 exposure, but researchers say the evidence is still too limited to establish safety during pregnancy.

Diet Drinks Performed About as Well as Water for Weight Management

In a two-year clinical trial, people drinking beverages with non-nutritive sweeteners maintained similar weight loss to those drinking water.

Weight Loss May Not Fully Explain GLP-1 Drugs’ Heart Benefits

A new analysis suggests weight loss alone doesn't explain the cardiovascular benefits seen with semaglutide, the medication studied in Wegovy.

Nutrient Deficiencies Were Common in Children Taking GLP-1 Drugs

Nearly 17% of young GLP-1 users were diagnosed with a nutritional deficiency or related problem within a year, but the study could not show that the medications were the cause.

A 10-Hour Eating Window Didn’t Lead to More Weight Loss

A small controlled study found similar results whether adults ate within 10 hours or spread their meals across more of the day.

Mouse Study Finds a Possible Clue to Why Weight Regain Is So Common

Researchers found that prior obesity left mice with a lasting increase in an appetite-related hormone after weight loss, but whether the same process happens in people is still unknown.

New Guidance Clarifies GLP-1 Use Before and During Pregnancy

Experts say the medications should not be intentionally continued during pregnancy, but accidental early exposure has not been linked to more birth defects in the evidence available so far.

Obesity Treatment Should Focus on Health, Not Just Weight Loss

Experts say success should be measured by changes in things like blood sugar, sleep, mobility and quality of life, not just pounds lost.

A GLP-1 Drug Extended Lifespan in Older Mice

The treatment produced some of the same benefits as eating fewer calories and appeared to improve several measures beyond what calorie restriction alone could explain.

Smartwatch Calorie Counts May Be Less Precise Than They Look

A small laboratory study found that four popular smartwatches often missed the mark on calories burned during cycling, with errors tending to grow as body fat increased.

Keto Reduced Liver Fat More Than Two Other Diets in Small Trial

All three diets improved metabolic health after similar weight loss, but keto led to larger short-term improvements in liver fat and some blood sugar measures.

Some Men Say Traditional Diet Programs Don’t Feel Designed for Them

In focus groups with 24 UK men, dieting was often described as restrictive and female-focused, while simple goals, accountability and personal challenges sounded more appealing.

Experimental Drug Helped Mice Lose Fat While Keeping Muscle

Unlike medications that help people eat less, the experimental compound increased how much energy mice used. It has not yet been tested in humans.

Eating Disorder Genetics Extend Beyond Body Weight

A large international study finds that anorexia nervosa and binge eating have genetic links that cannot simply be explained by a person’s weight.

Healthier Weight Range Linked to Slower Type 1 Diabetes Progression in Youth

Young people who moved from overweight or obesity into a normal BMI range were less likely to progress to clinical type 1 diabetes, though the study cannot show that changing weight caused the difference.

An Eight-Hour Eating Window May Help with Type 1 Diabetes

In a small six-month trial, people who limited eating to noon through 8 p.m. improved a key measure of blood sugar control, though they did not lose significantly more weight.

Dollar Store Access Linked to Poorer Health

Communities with more dollar stores had higher rates of obesity, high blood pressure and type 2 diabetes, but the study cannot show the stores caused those outcomes.