i'm carheryl jennings. from cancer to heart disease and of course, the dangers of secondhand smoke and every single day nearly 4,000 young people under the age of 18 smoke a cigarette for the first time. according to the centers for disease control and prevention the cdc also reports that nearly 13% of the adult population in california are currently smokers, and that is more than 3 million people. 69% of smokers in the united states do want to quit completely. the impact of smoking tobacco is clearly dangerous, but a fascinating recent study suggests tobacco's historic use in california may actually stretch back far longer than researchers believe. it's abc 7's carolyn johnson. >> this is the type that got us all started. >> if archaeologist, she's certainly fascinating by it. she spent tracing the earliest use of the people of california and the pacific coast. >> tobacco in the united states was present 8,000 or 10,000 years ago and hunterrers gatherers probably figured out the special properties of the p

i'm carheryl jennings.art disease and of course, the dangers of secondhand smoke and eve