People, especially at early age, start smoking due to peer pressure, smokers in the surrounding including the family, to relax and relieve from boredom or stress, to look cool and trendy in front of the others. Therefore, the strong and the smart ones are not influenced easily by the surroundings and are able to say no to smoking!
As for those who already smoke, many of them want to stop this habit. Quitting is not an easy option and many attempts can fail.. However, stopping is very beneficial since it reduces the risk of developing the mentioned diseases above. In order to stop, many methods/tips can be helpful:

