many people weaken their immune system by smoking instead of caring about their health professor zubair massara is one of those promoting healthy lifestyle he's an advocate of quitting smoking and he'll be explaining how small groups can keep the habit. in the south thank you very much for coming welcome welcome to spotlight well first of all according to the w h statistics in the near future the number of little heart attacks will be decreasing while today heart attacks this is called the number one killer in the world while the number of people with chronic lung disease is on the rise is it true and if so what's what's the reason why is it such a trend well first of all we noticed since a couple of years that mortality by cardiovascular diseases is decreasing whereas maternity by cancer or by lung disease this is interesting because it's so different definitely true and predictions for the year two thousand and twenty predict that for instance a chronic respiratory failure owing to. smoking emphysema such diseases would be killer number three so. after heart disease and automobiles or after h