What's worth trying—and why

Peptides, biomarkers, and real experiments. The studies, numbers, and firsthand results behind your next health decision.

Retatrutide: The Trial Behind 28% Weight Loss

Oct 16, 2026

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7 min read

Retatrutide: The Trial Behind 28% Weight Loss

A peptide that activates three hormone receptors has reached Phase 3 results. Here is how to read its weight-loss headline, the liver-fat findings, and the comparison still underway.

Ziconotide: The Snail Venom Peptide That Became a Pain Medicine

Oct 14, 2026

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5 min read

Ziconotide: The Snail Venom Peptide That Became a Pain Medicine

A molecule from a fish-hunting snail reached human trials. Its path to approval explains why a powerful pain signal blocker still needs specialist care.

Oxytocin: The Two Studies Behind Conflicting Trust Headlines

Oct 12, 2026

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5 min read

Oxytocin: The Two Studies Behind Conflicting Trust Headlines

One 2026 study found no increase in a money-transfer game. Another found a 15% increase in men selected for low trust. The experiment behind each headline explains the gap.

Insulin: The 14-Year-Old Who Changed Diabetes Treatment

Oct 9, 2026

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6 min read

Insulin: The 14-Year-Old Who Changed Diabetes Treatment

Leonard Thompson weighed 65 pounds. The first pancreatic extract brought little benefit. Twelve days later, a better preparation changed his course.

Selank: An Anxiety Peptide Put to a Stress Test

Oct 7, 2026

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6 min read

Selank: An Anxiety Peptide Put to a Stress Test

A seven-amino-acid peptide changed how rats behaved after two weeks of stress. The most striking result depended on a second drug.