Tue 05 May 2004Lack of exercise puts teenagers at riskConference Some 70 per cent of Irish teenage girls are not physically active, and 58 per cent of teenage boys do not take any exercise, according to exercise physiologist Dave Egan of the University of Limerick. Patricia Weston reportsSpeaking at the 'Can Sport Make a Difference To Me?' conference in Shannon, Co Clare, last week he warned that "obesity will be the next health time bomb in this country" given that lack of exercise can lead to all sorts of chronic health problems such as heart disease and cancer.