Tons of Viruses Live in Your Toothbrush and Showerhead

Forget about public restrooms: It turns out your own bathroom is teeming with viruses. Researchers at Northwestern University studied two things that most people use everyday—their toothbrush and showerhead—to see what was living in each. What they found was “quite surprising,” says Erica Hartmann, an associate professor of civil and environmental engineering at Northwestern who … Read more

Do At-Home Red Light Masks Really Work?

If you’re always on the lookout for the latest skincare gadget, you may have already tried facial rollers, sculpting wands, and dermaplaning devices. And you may be curious about the red-glowing masks that you’ve seen making the rounds on social media. Red-light masks use low levels of light-emitting diode, or LED, to stimulate skin cells, … Read more