Many children in Ireland are overweight "because they have to be driven everywhere" according to the deputy leader of the Green Party.

Senator Róisín Garvey joins The Last Word along with Prof Dónal O'Shea, HSE clinical lead on obesity, and Jen Hogan, parenting columnist with the Irish Times, to discuss the factors that are leading to around 20 per cent of primary school children being overweight or obese.

Catch the full chat by pressing the 'Play' button on this page!