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.
Media captionFootage from inside Bin Laden's compound. Al-Qaeda leader Osama Bin Laden has been killed by US forces in Pakistan, President Barack Obama has said. Bin Laden was shot dead at a compound near Islamabad, in a ground operation based on US intelligence, the first lead for which emerged last August.