Doubledipping might seem gross, but what does the science actually say about it?

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Dawson P, Han I, Lynn D, Bailey C, Taylor A, Dawson, Martinez R (2015). Bacterial transfer to beverages during drinking games: 'beer pong'. International Journal of Food Safety, Nutrition and Public Health, 5(2). https://doi.org/10.1504/IJFSNPH.2015....
Dawson P, Han I, Lynn D, Lackey J, Baker J, MartinezDawson R (2017). Bacterial transfer associated with blowing out candles on a birthday cake. Journal of Food Research 6(4). https://doi.org/10.5539/jfr.v6n4p1
Dawson P (2020). Person to person transfer of bacteria through food. Medical Research Archives 8(5). https://esmed.org/MRA/mra/article/vie...
Micik RE, Miller RL, Mazzarella MA, Ryge G (1969). Studies on Dental Aerobiology: I. Bacterial Aerosols Generated during Dental Procedures. Journal of Dental Research, 48(1) 49–56. https://doi.org/10.1177/0022034569048...
Petrović, T and D'Agostino M (2016). Antimicrobial Food Packaging || Viral Contamination of Food 65–79. https://doi.org/10.1016%2FB9780128...
Trevino J, Ballieu B, Rachel Y, Danna S, Harris G, Dejonckheere J, Dimitroff D, Philips M, Han I, Moore C, and Dawson P (2009). Effect of biting before dipping (doubledipping) chips on the bacterial population of the dipping solution. Journal of Food Safety 29 (1) 3748. https://doi.org/10.1111/j.17454565.2...

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https://qz.com/795359/howunsanitary...
https://www.scientificamerican.com/ar...
https://www.nytimes.com/2008/01/30/di...
https://www.vox.com/2014/7/15/5899423...
https://www.thrillist.com/eat/nation/...
https://www.riskyornot.co/episodes/ta...

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Dr. Paul Dawson, Professor in the Food, Nutrition, and Packaging Sciences Department at Clemson University
Dr. Donald Schaffner, Distinguished Professor and Chair of the Department of Food Science at Rutgers University

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