BY SUSAN ESTRICH I’ve had stomachaches for as long as I can remember. As a kid, I called it an “uncomfortable feeling.” As an adult, it was sometimes downright painful. But they came and went, and I chalked it up to stress and overwork and my long family history of stomachaches. And when it got a little worse, I dashed in to see the gastroenterologist, who wrote me scripts to stop spasms and break the […]