A three month course of daily fish oil capsules appeared to significantly reduce the rate of psychotic disorders in young people, an improvement that seemed to persist when doctors assessed their mental health seven years later.
People celebrate in the streets at Ground Zero, the site of the World Trade Centre, waving American flags and honking horns to celebrate the death of al Qaeda founder and leader Osama bin Laden on May 1, 2011.
9 photos: Osama bin Laden's compound. Osama bin Laden was killed by a team of U.S. Navy SEALs in May 2011, at a compound near Abbottabad, Pakistan. Click through to see images of the compound where he spent the last days of his life.