Chickenpox shot provides long-term protection

... States -- and 19 percent of high-school-age boys -- have been diagnosed with attention-deficit/hyperactivity disorder (ADHD). About 11 percent of school-age children in the United States -- and 19 percent of high-school-age boys -- have been ...

http://www.cbs8.com/story/21854162/chickenpox-shot-provides-long-term-protection-study-finds