It usually starts with something small.
The television sounds a little quieter than it used to.
Your partner says you're turning the volume up too loud.
Or you find yourself asking people to repeat what they've just said.
And when you're over 50, it's easy to assume your hearing is simply getting worse with age.
But here's what many people don't realise.
Sometimes, muffled hearing can be caused by something as simple as a buildup of earwax.
And one of the things that can make that buildup worse?
Something millions of people have been using to clean their ears for decades.
Cotton buds.