Justin Timberlake says his recently diagnosed Lyme disease causes him nerve pain and excessive fatigue. Understanding the disease and its cause can keep you safe this summer.

Justin Timberlake 's announcement that he was diagnosed with Lyme disease has put a spotlight on the condition that impacts nearly 500,000 people in the United States each year, according to the Centers for Disease Control and Prevention.

Justin Timberlake: "When I first got the diagnosis, I was shocked for sure. But, at least I could understand why I would be onstage and in a massive amount of nerve pain or, just feeling crazy fatigue or sickness”.