Birthdays and birthday parties are joyous times to celebrate with loved ones, especially when delicious cake is involved. That is, unless the thought of accepting a slice with remnants of saliva from the candle blowout makes you lose your appetite completely. (For those who have never questioned the yumminess and safety of eating birthday cake but just felt a bit squeamish upon reading that, I apologize.)
Sure, this may sound kinda gross when you visualize it… but is it actually that bad? Keep reading to see just how icky and even risky eating a post-blowout slice of birthday cake can be—as well as how much spit and bacteria are typically transmitted.
So… how much spit can you expect on a birthday cake?
According to Trevor Craig, a food safety expert and the corporate director of technical training and consulting at Microbac Laboratories, the exact amount of spit transferred as someone blows out candles will vary. Contributing factors can range from what the person recently ate or drank, the force of the exhalation, how they’re feeling, or simply having more active salivary glands.
Simply put, Craig says that the question is hard to answer with a precise numerical val
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