Holiday party season is time to eat, drink and be merry. But too much merriment can sometimes result in a not-so-celebratory hangover.

Dehydration is a main factor behind hangovers, as the body recovers from alcohol consumption.

CNN Health shares some myths vs. facts on hangovers, and what you can do to feel better.

Previously - Our readers weigh in on their favorite hangover remedies

For the last 20 years, attorney Bill Marler has represented victims of nearly every large foodborne illness outbreak in the United States, securing $600,000,000 for victims of E. coli, Salmonella, and other illnesses linked to tainted food. Marler is an outspoken advocate for food safety, and maintains the Food Safety Site and the award-winning Marler Blog.

He's picked up a safety tip or two along the way - as well as a definitive personal do-not-eat list.

Bill Marler: 6 tips for safer food shopping, storage, preparation and buying
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