Jet lag, foreign cuisines and crowded trains: “Traveling and constipation are good bedfellows,” said no one ever, but should have. ——- It was my fourth day in Beijing without going number two. That’s four days of breakfast, lunch, dinner, some snacks, some drinks, all backed up and getting weird in thirty feet of cramped intestines. I had experienced backups in my travels, but ninety-six hours was ridiculous. I was visiting China to carry out a rejected Fulbright/National Geographic fellowship. I had intended to spend nine months studying Traditional Chinese Medicine, a broad range of 2,000-year-old medical practices, but when my proposal didn’t make the cut I told my host advisor, Dr. Peicheng Zhang at the Institute for Materia Medica in Beijing, that I was…