Dr Michael Miller, professor of medicine at the University of Maryland School of Medicine, said watching a film or a sitcom that produces laughter has a positive effect on cardiovascular function and may be as beneficial as going for a run. However, the laughter must be intense – “more of a deep belly laugh”, Dr Miller said – and needs to last for about 15 seconds to be effective.

Meanwhile, a German cardiologist who is also an organist told the same symposium that, in comparison to listening to Bach, heavy metal music has a “potential to be dangerous”. (Times) >>>