Denise McVey knows holiday stress all too well. To be sure, she loves the
holidays: going caroling, shopping, buying cards, enjoying the first snow, and,
most of all, loving the look of delight on her toddler’s face on Christmas
morning. But as the days until the holidays dwindle and the lines at the mall
get longer, McVey is so beset by season-induced stress that, when the New Year
rolls around, she’s spent. “Colds, flu, you name it, every year I get it; I’ve
had shingles eight times,” says...