What is the effect of second hand smoke? What is second hand smoke? How is it different from first-hand smoke? Where can a person be affected by secondhand smoke? At what age can someone be affected by second-hand smoke? What is the percentage of children that are affected by secondhand smoke in the state of NC? What are the laws that deal with smoking (how old do you have to be to buy tobacco products, how far do you have to be from a school zone in order to smoke)? In your opinion do you think you as a pre-teen/teenager can change the cycle or prevent others from smoking?