About 70 per cent of people over the age of 70 have nocturia - the need to go to the toilet in the middle of the night. But ...

In his regular column, Dr James Le Fanu answers your questions. This week, a reader asks whether her overactive bladder ...

Have you ever wondered why some people seem to be constantly thirsty, no matter how much water they drink? This persistent, excessive thirst, known as polydipsia, is more than just a need to ...