Imagine swapping your daily cholesterol pill for a single injection that keeps “bad” cholesterol under control for a year, a decade – or even a lifetime.Two clinical trials, one in the United States and another in China, suggest that this one-and-done approach could become a reality.Low-density lipoprotein cholesterol (LDL-C), better known as “bad” cholesterol, is a major driver of heart disease – the leading cause of death worldwide. Triglycerides, another type of blood fat, add to the...