evidence: A video circulating on Facebook is spreading unproven claims about the supposed benefits of raw onions. In the video, Barbara O'Neill, an Australian naturopath and health lecturer, suggests placing raw onions on the soles of the feet to treat illnesses like colds and coughs. [...] Claims that placing onions on the soles of the feet can effectively alleviate cold or cough symptoms due to larger pores in that area are not supported by scientific evidence and consequently not endorsed by medical professionals. [...] There is no medical evidence to support the claim that placing raw onions on the soles of the feet can specifically target the chest or alleviate congestion. This claim is a myth and is a common folk remedy that lacks scientific credibility.