Between a gigantic to-do list and general merrymaking, December often feels like a minefield of health traps. If rich victuals and cocktails don't get you, too little exercise and pillow time might. The average American may gain an average of just one pound this month, but over the years those pounds really add up, say studies conducted by the National Institutes of Health. And that's not to mention what a lack of exercise and sleep can do to your mood. Can you enjoy the festivities without sabotaging your physical and mental well-being? Absolutely. Here's what experts suggest to sidestep major health pitfalls (and mitigate minor infringements) naturally.