LOS ANGELES – Lady Dai was a Chinese nobleman's wife in her mid-50s when she died of a heart attack. She was overweight, had diabetes, high blood pressure, high cholesterol, liver disease, gallstones and her arteries were almost totally clogged. She didn't live the healthiest life but she left behind one of the most perfectly preserved bodies in history. She was buried about 2,100 years ago. Her tomb was found in the early 1970s on Mawangdui, a hill in Changsha, near the capital of Hunan Province in China. More than 1,400 equally well-preserved artifacts found around her were designed to...