For ten minutes every morning I entertain myself with fashion magazines while my hair gets dry. The December issue of In Style greeted me with the advice to the right.
It has been a few years since doctor school, but metabolism of ethanol does not seem to have changed much (discussion here). I have seen a number of theories on hangovers through the years, with most focusing on volume loss and intermediaries of the metabolic process.
Downing a cup of water between overindulging and sleeping it off might help with dehydration. I am at a loss to explain how a tablespoon of vinegar or a drop of raw honey would be of value here.
Here is a link to Nikki Ostrower's integrative nutrition center.
While this concoction certainly will do no harm, I am not conviced that it would prove superior to just chugging water or other fluid. I would also love to see evidence that it facilitates alcohol metabolism.
Your turn, biochemists. Educate me!