Why do people get bags under their eyes?

Published: Jan. 18, 2016, midnight

We've all had days when we're tired and wish we didn't have dark circles under our eyes. But why do we get these puffy eyes and do they serve a purpose? Felicity Bedford spoke to Dr Sean Lanigan, President of the British Cosmetic Dermatology Group to find out more... Like this podcast? Please help us by supporting the Naked Scientists