Over 20 per cent of the youth in Mumbai start smoking by the age of 20 years while 65 per cent pick up the habit in the later part of their graduation and post graduation said a survey. According to the survey 23 per cent of the students picked up smoking considering it a means of enjoyment while 59 per cent smoked just to show off. Know why smoking is bad for you.'It is just to receive some female attention and looking cool and mature while a few felt an adrenaline rush breaking the rules. An average amount spent on