We all know how damaging loud or constant sounds can be to our hearing - but there are a lot of factors that can impact hearing that most of us would never consider.
Things like smoking - even secondhand smoke, cold wind, too much water - countless things, most of which we'd hardly consider to be dangerous.
LISTEN ABOVE

Allyson Gofton: Chef discusses health benefits of a seasonal diet
40:28

Helen Clark and Maurice Williamson: What can we expect from the build-up to the election?
48:31

Sara Chatwin: Is it okay for children to be involved in politics?
41:25