From: Purdue University
Published January 11, 2018 02:10 PM

Babies Stir Up Clouds of Bio-Gunk When They Crawl

When babies crawl, their movement across floors, especially carpeted surfaces, kicks up high levels of dirt, skin cells, bacteria, pollen, and fungal spores, a new study has found. The infants inhale a dose of bio bits in their lungs that is four times (per kilogram of body mass) what an adult would breathe walking across the same floor.   

As alarming as that sounds, lead researcher Brandon Boor of Purdue University is quick to add that this isn’t necessarily a bad thing.

"We are interested in the biological material an infant inhales, especially during their first year of life when they are crawling. Many studies have shown that inhalation exposure to microbes and allergen-carrying particles in that portion of life plays a significant role in both the development of, and protection from, asthma and allergic diseases," Boor says. "There are studies that have shown that being exposed to a high diversity and concentration of biological materials may reduce the prevalence of asthma and allergies later in life." 

Read more at Purdue University

Image: Brandon Boor, a Purdue University assistant professor of civil engineering and environmental and ecological engineering, together with graduate students Danielle Wagner and Tianren Wu, are studying air quality in indoor environments. Their most recent study focused on what babies breathe while crawling on carpets. (Credit: Marshall Farthing)

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