Alarming rate of unfitness in young

More than a third of 16-year-olds in Ireland are at risk of developing premature heart disease.

But a new study has found that substantial improvements can occur after as little as six weeks of regular exercise. The findings are from DCU and Irish Life Heath which have teamed up to launch the 7th annual Schools Fitness Challenge. Irish Olympian and Ambassador for the programme Thomas Barr says exercise can change your life