Mom guilt comes for the best of us, but surely I was among the worst hit: As my plane took off into a wall of snow and sleet, my husband and four-month-old son were somewhere far below, bracing for the worst blizzard New York City had encountered in years. I, on the other hand, had caught one of the last flights out of Newark before the word “CANCELED” took over its screens, en route to a beach in Mexico where the forecast hovered around 80 degrees. SHA Mexico located in Costa Mujeres, about 17 miles north of Cancún International Airport SHA Wellness Clinic Mexico My destination was SHA Mexico , a wellness clinic on the beach in Costa Mujeres, about 30 minutes outside of Cancún on a quiet northeastern stretch of the Yucatán Peninsula , that integrates age-old holistic therapies with cutting-edge medical treatments. Here, yoga and sound baths are followed by advanced cell regeneration therapy and Icoone (non-surgical body contouring) treatments, with breaks for apple cider vinegar shots and carrot-daikon tea.…