Science

It’s hard to think of a topic that sees more fads, quick fixes, and get-slim-fast gimmicks than weight loss. Here to separate fact from fiction are science-backed stories on the latest diets and trends, as well as what really does work.

Diet comparisons

Weight loss trends

Science behind weight loss

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How to Lose Weight: Weight Loss Tips Backed By Science

How long does it take to lose weight?

What are calories?

What’s the difference between fat loss and weight loss?

Are diet and exercise still needed while on a weight-loss medication?

How obesity medicine specialists are changing weight treatment

Are weight-management medications covered by insurance?

What to know about Wegovy for weight loss

Everything you should know about Qsymia for weight loss

What exactly are off-label weight-loss medications?

Wegovy vs. Saxenda vs. Zepbound—which is best for weight loss?

How to spot (and stop) weight bias and stigma

Do prescription weight-loss pills work?

What your BMI can (and can’t) tell you

Side effects of weight-loss medications

How to advocate for your health when visiting your healthcare provider

Zepbound (tirzepatide): Overview, how it works, and more

Saxenda (liraglutide): Overview, how it works, and more

How to make the most of your doctor’s visit

Taking a prescription weight-loss medication? You'll want to make these changes, too

Are weight-loss pills safe?

Do weight-loss pills work?

Are we all stuck with our set point weight?

What’s the difference between overweight and obesity?