Perceived parental opinion is also a major contributing factor in youth smoking.

In addition to parental influence, siblings also serve as contributors to youth smoking.

Friends and social circles have a huge influence on youth smoking.

"We're prohibited from advertising any tobacco brands, but youth smoking is something we wanted to talk about."

It agreed to pay financial penalties if youth smoking didn't decline by a certain percentage.

It gives us another way of trying to come to terms with youth smoking.

They have offered to pay some $1.5 billion in fines annually if youth smoking has not been reduced by 60 percent within a decade.

And many in the public-health community saw it as a chance to leverage the industry's help to reduce youth smoking.

But over all, they've got an opportunity to contribute to reducing youth smoking.

Historically, the most effective way to reduce youth smoking has been to increase prices.