Using hot water for hand washing is unnecessary while potentially being harmful for the environment, according to a study.
But nearly 70 per cent of us believe hot water to be more effective than cold or warm water – despite having no evidence to back this up.
According to research assistant professor at Tennessee’s Vanderbilt Institute for Energy and Environment University Amanda Carrico: “It is certainly true that heat kills bacteria, but if you were to use hot water to kill them it would have to be way too hot for you to tolerate.”
FoodWorld 