Why Some Scientists Are Worried About the Peptide Boom
Peptide researcher Joshua Kritzer explains why promising mouse studies and online testimonials aren't enough to prove a treatment is safe — or effective
Jul 21, 2026Peptide researcher Joshua Kritzer explains why promising mouse studies and online testimonials aren't enough to prove a treatment is safe — or effective
Jul 21, 2026The current administration has promoted expanded access to testosterone therapy and testing for low testosterone. But what do we actually know about the benefits and risks of TRT?
Jul 20, 2026A side effect is a symptom that appears within minutes, hours or a day or two of taking a drug. Nausea, a rash, even an allergic reaction is a side effect.
Nov 30, 2012We think it’s invaluable — and hope you agree. Our work is made possible by donations from readers like you.
We think it’s invaluable — and hope you agree. Our journalism is made possible by donations from readers like you.
As a nonprofit, we don’t take a dime from pharmaceutical or supplement companies. That means we can report on the benefits, risks, and alternatives to prescription and over-the-counter drugs free from corporate pressure or influence.