There does not appear to be a substantial reduction in the number of teen smokers despite a government study suggesting fewer youth are smoking
How Tobacco Smoke Causes Disease: The Biology and Behavioral Basis for Smoking-Attributable Disease A Report of the Surgeon General
And a toothpaste ad from 1915 specifically targets smoking: "Smoke all you want my friend, providing that before you present yourself to me, you wash your mouth with DENTOL" (see fig
And the stupidity of humans is its no different than the stupidity of animals when they go extinct
In conclusion, its true that smoking cessation can lead to weight gain, but this is far from inevitable, especially if you adopt a healthy lifestyle including a balanced diet and regular physical exercise

I don't actually want to quit now," she said.The percentage of smokers in Australia has dropped from about 50 percent in the 1950s to 15 percent now and the government is aiming to push it down to 10 percent by 2018.With 80 percent of smokers starting before the age of 18, and 99 percent before they turn 26, health authorities hope the new packaging will have the biggest impact on young people."If we can prevent young people from taking it up, that's a lifetime gift to them," Health Minister Tanya Plibersek said on Friday ahead of the law coming into effect.Smoking is one of the leading causes of preventable death and disease among Australians, killing an estimated 15,000 every year.The government says it will not be heavy-handed in enforcing the legislation in cases where a few packets of old cigarettes are sold in error, but there is the possibility of fines of more than Aus$1 million (US$1 million) for a corporation that commits a large and deliberate breach of the law