
Peptides promise longevity and healing. Does the science back them up?
The world of peptides has exploded in wellness circles, but the benefits of injecting these gray-market molecules rest on little clinical evidence

Peptides promise longevity and healing. Does the science back them up?
The world of peptides has exploded in wellness circles, but the benefits of injecting these gray-market molecules rest on little clinical evidence

GLP-1 drugs like Ozempic don’t work for everyone. Genetic variants offer new clues
The weight you lose and the nausea you experience from GLP-1 drugs may be linked to common gene variants, but they can’t fully explain why some people lose more weight than others


The weight-loss drug rivalry heats up as another GLP-1 pill gains FDA approval
This week the U.S. Food and Drug Administration approved a second GLP-1 pill for weight loss. The drug, called Foundayo, resulted in an average of 27 pounds lost in 72 weeks

Head-to-head trial pitting Eli Lilly’s oral GLP-1 against oral semaglutide underscores efficacy of weight-loss pills
A new trial found that Eli Lilly’s GLP-1 pill resulted in greater reductions in blood sugar levels and weight than oral semaglutide did, but fewer people stayed on it

These cells in the body remember fat. Here’s what that means for weight loss
Obesity leaves a lasting imprint on fat and immune cells in ways that might make weight regain harder to avoid

Compound weight-loss drugs are everywhere. The FDA is cracking down
The recent withdrawal of Hims & Hers’ GLP-1 pill raises questions about the safety and effectiveness of compounded medications

Obesity increases risk of severe infections, study finds
A new study suggests that people with obesity have higher rates of mortality and hospitalization from a variety of infections from viruses, fungi, parasites and bacteria

The next wave of GLP-1 drugs are coming—and they’re stronger than Wegovy and Zepbound
The upcoming drugs CagriSema and retatrutide target multiple gut hormones and could cause twice as much weight loss than current treatments. But experts wonder how much is too much

Inside the Weight-Loss Drug Revolution: Promises, Pitfalls and a Pharma Arms Race
Behind the hype of GLP-1 medications lies complex science, serious side effects and a pharmaceutical arms race.

Weight and Health Benefits Vanish Fast after Quitting Weight-Loss Drugs, Study Finds
A new study finds that people who quit weight-loss medications, including GLP-1 drugs, regain weight four times faster than people who stop dieting or exercising

Wegovy Weight-Loss Pills Are Now Available in the U.S.—Here’s What That Means
The first GLP-1 pills for weight loss are hitting U.S. pharmacies. But how will they be prescribed?

7 Important Health Stories to Watch in 2026
From immune cell therapies to measles outbreaks to federal attacks on public health, these are some of the health topics we’ll be watching next year