• Time link to sudden cardiac death 22 Feb 2012How the time of day can increase the risk of dying from an irregular heartbeat has been identified by researchers.
  • Skin cancer drug hopes from study 23 Feb 2012A new treatment for advanced skin cancer almost doubles survival times, according to an international study.
  • NHS 'will be Cameron's poll tax' 22 Feb 2012Labour leader Ed Miliband tells David Cameron he risks making NHS reform "his poll tax" - in noisy Commons clashes over the health bill.
  • Male extinction theory challenged 22 Feb 2012A new study comparing chromosomes in humans and rhesus monkeys suggests genetic decay of the male sex chromosome has all but ended.
  • Heart symptoms 'differ in women' 22 Feb 2012Fewer women than men suffering from a heart attack appear to experience chest pain symptoms, according to a study in the US.