Acetic acid in the vinegar delays stomach-emptying and acts as an antidiuretic, remaining in the hung-over body longer than water, and allowing it to rehydrate by absorbing salt and electrolytes in the brine.
The device has advantages in removing problematic salts, said CEO Pat Curran, and can clean water at up to 75 percent less cost than systems such as reverse osmosis and brine concentrators.
Droitwich Spa became the only salt water spa town in Britain when John Corbett created the first spa, St Andrew's Brine Baths, in 1887 as part of the Raven Hotel.