SSS+Smoking+Prompt

Quiz Replacement Prompt: Soft-Sell Science--Smoking
When confronted about her smoking habit, Lindsay points out that George Burns smoked plenty and never got sick from it, while her brother got lung cancer despite never having a cigarette in his life. If both of these are true, how could cigarettes cause lung cancer?

Pretend Lindsay is a close friend. Using information from [], gently point out her error(s), and explain how you might try to sway her opinion. Possible details might include:
 * What is the difference between a risk factor and a cause?
 * What research method(s) is used to determine a risk factor?
 * Suggested terms: primary aging, secondary aging, correlation, causation, nature, nurture, vulnerability and resiliency.