Report: ADHD Diagnoses Up More Than 50 Percent in Past Decade

Twenty percent of high school-age boys and 11 percent of school-age children have been diagnosed with attention deficit hyperactivity disorder, or ADHD, according to an analysis of data from the Cente Read More

WATCH: Leno, Fallon Poke Fun at 'Tonight Show' Drama With Parody

The drama surrounding the future of The Tonight Show has not damaged the friendship between Jay Leno and Jimmy Fallon. Read More

GOP Congressman With Gay Son Won't Back Same-Sex Marriage

Congressman Matt Salmon says he supports his gay son but not same-sex marriage. Read More

Colorado Officials to Do Review After Prison Error Leads to Murder

Colorado court officials have vowed to review procedures to ensure that a clerical mistake that allowed the early release of a prisoner - who then went on to allegedly shoot the state's correctio Read More

WATCH: Toxic Algae Contaminates Lake Erie at a Record Rate

It was the largest algae bloom in Lake Erie's recorded history - a scummy, toxic blob that oozed across nearly one-fifth of the lake's surface during the summer and fall of 2011. It sucked o Read More

WATCH: Easter Egg Roll Survives Budget Cuts

Although official tours remain cancelled due to budget cuts, President Obama on Monday welcomed thousands to the White House for the Easter Egg Roll. Read More

WATCH: 'Buckwild' Star One of Three Found Dead

A cast member of the MTV reality show "BUCKWILD" was found dead Monday in a sport utility vehicle in a ditch along with his uncle and a third, unidentified person, authorities said. Read More

WATCH: Presidential Budget Staff Receive Furlough Notices

The White House says 480 workers on the president's budget staff have been notified they may have to take days off without pay because of a partisan budget stalemate. Read More

WATCH: Obama Has One Year Left to Keep Promise on Iran's Nuclear Threat

President Barack Obama pledged during the 2012 campaign, and since, that he will not let Iran develop nuclear weapons. Read More

WATCH: Caroline Kennedy to Be Ambassador to Japan?

Caroline Kennedy is expected to be nominated U.S. ambassador to Japan, but the nomination is not yet finalized, a knowledgeable source told ABC News on Monday. Read More