What exactly is a "cup" of water?
It recommends 8 cups of water a day, but what measurement is a cup? I try to drink most of a 2 litre bottle of water a day, which equates to about 4 large glasses but is that the equivalent of 8 cups? We don't have "cup" as a measurement in the UK, but think it is a US measurement, anyone who can convert it to litres or…
