Science Exposed
Science Exposed
Your Toothbrush Hosts a Hidden World of Viruses
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Your Toothbrush Hosts a Hidden World of Viruses

Episode 25

Your toothbrush and showerhead are packed with hundreds of viruses—yes, you heard that right. Scientists have found over 600 different bacteriophages, which are viruses that infect bacteria, chillin' right there in your bathroom. And here's the kicker: a ton of these viruses are brand new to science.

Northwestern University researchers took swabs from dozens of toothbrushes and showerheads, sequencing the DNA and discovering these little critters. But don’t freak out; these viruses aren't coming for you. Instead, they might actually help us. Bacteriophages are being explored as powerful tools against drug-resistant bacteria, something antibiotics alone can't always beat. Erica Hartmann, who led the research, points out that these bacteriophages probably lurk on any wet surface at home—think sinks, showerheads, and even your fridge.

Jack Gilbert from UC San Diego calls this a treasure trove for science, helping us understand these microbes’ role in our everyday spaces. And Dirk Bockmühl over in Germany says that learning more about these phages could even help us develop new ways to fight infections in the future. So, while we’re all a bit squeamish thinking about what’s on our toothbrush, there’s also some incredible potential here. Who knew the next big medical breakthrough might be in your bathroom?

REFERENCES:

Frontiers in Microbiomes DOI: 10.3389/frmbi.2024.1396560

Your toothbrush is teeming with hundreds of types of viruses, New Scientist, October 9, 2024. https://www.newscientist.com/article/2451111-your-toothbrush-is-teeming-with-hundreds-of-types-of-viruses/


Content curated by: Dr. Cameron Jones, PhD

Public Health Expert, Fungal Biologist, and Science Communicator

CEO of Biological Health Services, a consultancy and lab specializing in indoor air quality.

Adjunct Faculty at the National Institute of Integrative Medicine, Australia.

Founder, BioMedix & House of Pot, Bangkok

For more insights on public health and cutting-edge research, visit www.drcameronjones.com and www.drcameronjones.tv.

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