BONUS: The truth about drinking hot water.
WHY?
theprivycounsel.blogspot.co.uk
Tom Scott, TV presenter and general creator of awesome things, has taken it upon himself to answer this age-old question.
As he points out, all sorts of ridiculous theories have been espoused.
Well it's very simple. As Tom explains, it goes back to how British houses were constructed after World War II.
Most of them have a cold water storage tank in the attic – it feeds a hot water tank that's for central heating and hot water in the bathroom and kitchen. The water from the hot tank may not be entirely safe.
