Also, sugar probably does cause hyperactivity. No suicide peak occurs over Christmas and New Year's. Unhappiness peak? Possibly. Hangover? Tough it out--there really isn't a cure. You should actually avoid acetaminophen (Tylenol, Aspirin-free Anacin, Panadol, many other products) if you've been drinking heavily, because the combined effects of booze and acetaminophen can be lethal. And while you are not encouraged to eat poinsettias, they're not particularly toxic.
Read all about these and other holiday health myths in the most recent issue of the British Medical Journal. And look for a synopsis at US News. Read more about acetaminophen and booze at The Straight Dope--that's an important thing to understand.
