Doctor Cawkwell told VOA that fibromyalgia is a very mysterious disease that has proved difficult to diagnose and treat.

VOA: special.2011.08.02

For six years, audiences around the globe tuned in to follow the adventures of the survivors of a plane crash, stranded on a mysterious and dangerous island.

VOA: standard.2010.05.25

The guerrilla group led by international fugitive Joseph Kony is perhaps best known for its tactic of abducting children to replenish its ranks and for its leader's mysterious claims to being a prophet of God.

VOA: standard.2009.08.27