evidence: The article claims "the foot has more than 7,000 nerve endings" that are "associated with other body areas like the heart, sinuses, and brain". Putting onions on the feet means "their health benefits are quickly dispersed throughout important organs in a short amount of time". [...] US fact-checking site Snopes has also researched the claim, and rated it false. "The topical application of some chemicals in onions could kill bacteria externally," Snopes says. But sticking onions on your feet will not create "any change to the internal systems of one’s body, as claimed". [...] Hoax-Slayer also advises that "strapping an onion to your foot certainly will not take away your illness" and "leaving cut onion around the room won’t do the trick" either.