People are wrapping their feet with aluminium foil: Does it really help with the cold? Expert reacts

You will likely have already seen it on your social feed: people wrapping their feet in aluminium foil before lacing up socks and boots. The claims are sweeping, no more frozen toes. Expensive heated insoles have suddenly become unnecessary. Just a roll of something from your kitchen drawer doing what no winter gear manufacturer claimed it could. But the promises do not stop at warmth. Some netizens even swear these foils ease muscle soreness. Others vouch that this is the cheapest ally of a restful sleep. People think they have cracked the ultimate winter code and wellness hack. But does it really work?