May 31 is World No Tobacco Day. Abhishek Shetty led the typical life of a young employee in an IT company. A regular smoker the 32-year-old had a hectic schedule odd sleeping hours and irregular meals - all of which caught up with him and he suffered a heart attack at what his doctor called a 'shockingly young age'. 'Five years back such cases were unheard of. But increasingly we have young people coming to us with cardiac problems. It's a serious problem and smoking is a major factor' Ravindra L. Kulkarni cardiologist and director of Just for Hearts an