News for Healthier Living

Sometimes Less Is More: Scientists Rethink How to Pack Medicine into Tiny Delivery Capsules

BETHESDA, MD - The tiny fatty capsules that delivered COVID-19 mRNA vaccines into billions of arms may work better when they're a little disorganized. That's the surprising finding from researchers who developed a new way to examine these drug-delivery vehicles one particle at a time - revealing that cramming in more medicine doesn't always mean better results.

February 21, 2026


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