Brian McLaren, 76, from Warwickshire, knew there was something wrong when he kept getting urinary tract infections and the need to get up in the night to pee had gone from a couple of times to eight or nine times a night.
You might think that you're emptying your bladder fully, because the symptoms that you're retaining urine aren't obvious at all, but one expert has some tips on how to ensure good bladder health for a lifetime