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| An M.D. candidate explained why you should never use those automatic hand dryers in public bathrooms. |
| TikToker @madmedicine recently shared a video about how those super convenient, contactless hand dryers actually don’t stop the spread of bacteria. They make it worse. |
| The medical student reacted to a popular TikTok trend where people use hand dryers to curl their hair. |
| "I hate to be the bearer of bad news, but those hand dryers in public restrooms are extremely disgusting,” he explained. “There have been actual studies done on those hand dryers to see if they spread bacteria. Spoiler alert: They tend to spread more bacteria compared to just towels.” |
| According to the Harvard Health blog, a 2018 study by the University of Connecticut and Quinnipiac University found that exposure to hot hand dryers exponentially grew bacteria colonies within a matter of seconds. |
| "Every time a lidless toilet is flushed, it aerosolizes a fine mist of microbes. This fecal cloud may disperse over an area as large as 6 square meters,” Harvard Health stated. |
| This means that each time someone flushes a toilet, particles of fecal bacteria spread through the air. When the bacteria comes in contact with a hot hand dryer, it multiplies. The best way to dry your hands and prevent bacteria from surviving on them is to use a paper towel. |
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