London, Oct 23 : Now, chocoholics have a justified reason to savour their favourite sweet, for a Canadian company has developed a chocolate that lowers cholesterol.

London, Oct 23 : A new study has found that variations in two key genes can help determine how fast an HIV infected patient progresses to AIDS.

Washington, Oct 23 : Daily vigorous physical activity by overweight children can help improve their thinking and reduce the risk of diabetes, say researchers.