Genetics and confidentiality; a fascinating legal case where a woman is suing the hospital trust that looked after her father with Huntington's disease for not warning that she too could be affected. And a well established use of very low carb diets that isn't so well known - to treat complex childhood epilepsy. Plus cancer of the voice box and persistent sore throat. And should hairy arms be shaved for a hospital drip? This question has prompted a transatlantic spat when Sir Andy Murray posted a photograph after his recent hip operation.