There are few things more cringe-worthy than watching someone wipe their nose with their hand or leave a bathroom stall without washing, but it happens all the time.

And while some may argue that skipping the sink strengthens their immune system, nothing could be further from the truth, according to Jamin Brahmbhatt, a physician at Orlando Health.

"Washing your hands is the easiest way to protect yourself and others from spreading bugs that can live on your hands," Brahmbhatt said.

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For those who aren't entirely convinced, here's a look at what would happen if you decided to stop washing your hands: