WASHINGTON — For 30 years, naturopathic doctor Gabrielle Francis traveled and toured with some of the world’s biggest bands — we’re talking Mötley Crüe, Aerosmith and Jane’s Addiction — all to help keep the stars healthy while on the road.

So it’s safe to say she knows a few things about partying — and righting the course after a night of too much. Just in time for New Year’s Eve, Francis has some tips to help you “party smart” at your end-of-the-year bash — and some hangover cures, should you choose to ignore her advice.