We investigated the claims in some of the most widely shared posts. A picture showing a swab test being taken has been circulated widely on Facebook and Instagram along with claims that the swab ...

RJ Mackenzie is a freelance science writer with a neuroscience degree.

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Share on Pinterest Researchers are saying that a simple cheek swab sample could hold key information about how a person is aging. Image credit: Courtney Hale/Getty Images. Scientists have long ...

A new study published in the journal Frontiers in Ageing describes a new method to determine the extent of biological ageing from epigenetic marks in cells collected from cheek swabs. DNA ...

Scientists trained CheekAge using cheek swabs from people ages 18 to 93. They paired patterns of DNA methylation in the cheek cells to an overall score for health, which considered factors such as ...

Scientists found more than 600 distinct viruses after swabbing peoples' toothbrushes and shower heads — but thankfully, the vast majority of them are more helpful than harmful. "There is so much ...

Some yeast or fungus normally lives in a healthy woman's vagina. When there is too much yeast, you can have vaginal burning and/or itching and sometimes a sticky, white vaginal discharge. This is ...