Little-known warning sign of kidney cancer you may particularly notice at night
![Little-known warning sign of kidney cancer you may particularly notice at night](https://i2-prod.mirror.co.uk/incoming/article31835768.ece/ALTERNATES/s615/2_Menopausal-Mature-Woman-Suffering-With-Insomnia-In-Bed-At-Home.jpg)
As incidences of kidney cancer are predicted to spike by a concerning 15 per cent, it's more important than ever to know the early symptoms, and understand when you should contact a doctor