Glue ear treatment Cardiff trial
A new treatment for 'glue ear' - the most common cause of hearing problems in children - is being trialled by researchers at Cardiff University.
About 25,000 children a year need operations to treat the condition.
Doctors want to see if oral steroids used to treat childhood asthma can cut the need for grommet surgery.
BBC Wales health correspondent Owain Clarke reports.
- From the section Wales