Losing weight is less about willpower than about biology: hunger hormones, blood sugar swings, and metabolism all push back. These articles look at the weight loss peptides and medications researchers study — how they work, what results have been measured, and what a realistic plan looks like alongside food and movement.

Nothing here is a shortcut or a guarantee. Medication is one tool, prescribed only when a licensed provider decides it fits your situation. Every article below is specific about what was measured and in whom.

81 articles on this topic

  1. A woman at ease in a sunlit cream-toned kitchen, holding a cup of tea with a simple breakfast beside her

    Semaglutide Weight Loss Results: 14.9% in 68 Weeks

    Adults with obesity in the 68-week STEP 1 trial lost an average of 14.9% of their body weight on weekly semaglutide, while the placebo group averaged 2.4%.

    August 12, 2026 · Elena Marsh, Health Writer

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