21:00The Surgery with Katie and Dr RadhaGemma Cairney sits inBBC Switch Duration: 1 hour Sun 14th Aug 2011, 21:00 on BBC Radio 1 N. IrelandGemma Cairney sits in for Aled to discusses the big issues on your mind.GenresFactualHealth & WellbeingMusicPop & ChartBrandThe Surgery with Katie and Dr Radha Source: BBC Online