Researchers from Britain said that young smokers are eight times more likely to have a heart attack than their age non-smokers. A British study showed that young adult smokers are eight times more likely to suffer a major heart attack than their peers who never smoked or who quit smoking. Lead researcher Dr Ever Grech, from the South Yorkshire Heart Center at Northern General Hospital, Sheffield, said many people underestimate the health risks associated with smoking.   “A lot of patients seem to be aware that there are some risks of heart attacks with smoking, but they don’t know that…