Some ancient mysteries of leprosy uncovered

Research is finally unearthing some of the ancient mysteries behind leprosy, also known as Hansen's disease, which has plagued humankind throughout history. The new research findings suggest that the disease might be the oldest human-specific infection, with roots that likely stem back millions of years. There are still hundreds of thousands of new cases of leprosy worldwide each year, but the disease is rare in the United States, with 100-200 new cases annually. Leprosy is known for attacking a...