Do hay fever tablets shrink your brain?

A new study suggests that some popular medicines - including allergy pills - could be harmful. But wait before you sneeze your way through the summer "

Those planning a bathroom cabinet clear-out following headlines about a range of popular over-the-counter medicines causing brain shrinkage might want to reconsider.

New research has concluded that people regularly taking popular drugs including Clarityn and Piriton for hay fever and other allergies, the sleeping tablet Nytol, and Night Nurse Liquid containing promethazine did worse in cognitive tests and showed signs of loss of brain cells and connections.