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Updated: 2 hours 52 min ago
There are more than 480 natural components in the cannabis plant. Scientists believe all of these likely exert some therapeutic effect, more than any single compound alone.
Confident that residents in Ukraine's southeastern Crimea region will approve a referendum to become part of Russia, Moscow is looking ahead to the next step.
In 16 years, cancer is expected to become the leading cause of death in the United States, according to a new report, surpassing heart disease.
Marc Lamont Hill asks Rick Santorum about the rifts in the Republican party including with Santorum and Gov. Christie.
Mark Geragos and Sunny Hostin break down the evidence and the unknowns in the Oscar Pistorius murder trial.
It might not have the drama of a Sen. Ted Cruz overnight talk-a-thon, but some Senate Democrats hope their all-night stunt draws similar attention to their issue that has been stalled in Congress: climate change.
Author Joe McGinniss, who chronicled the murder case of former Green Beret doctor Jeffrey MacDonald in the 1983 book "Fatal Vision," has died, his lawyer said Monday. He was 71.
Every day the whereabouts of Malaysia Airlines Flight 370 remain a mystery, the search area grows, complicating rescue efforts.
Dr. Andrew Kolodny discusses why he thinks science should be a big part of the conversation about marijuana legalization.
Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
North Korea uses multiple techniques to defy sanctions, and shows no signs of abandoning its nuclear and ballistic missile programs, according to a U.N. report.
More than three days after Malaysia Airlines Flight 370 vanished from the skies, there were still no signs Tuesday of the missing plane's whereabouts.