Monthly Archives: October 2023

  Many over-the-counter cough and cold medications contain phenylephrine, a purported decongestant that was recently deemed ineffective. Scientists knew this drug was useless—but you’ve been using it for decades More than 200 over-the-counter decongestants contain a key ingredient that was … Continue reading →

What’s in melatonin—and is it giving you nightmares? The dosing in these popular over-the-counter sleep supplements can vary wildly from what’s printed on the label, which can result in side effects. Here’s how to use it safely. A micrograph captures … Continue reading →