Even If You Don’t Smoke Now Or You Never Have, You May Be At Risk Of Lung Cancer. Here Are Five Facts You Need To Know About Lung Cancer Women Who’ve Never Smoked Are Twice As Likely To Get Lung Cancer As Male Nonsmokers. Secondhand Smoke Exposure Is Also Likely A Factor In The Occurrence Of Lung Cancer Among Younger People. Fact 3: There Are Two Main Types Of Lung Cancer. Fact 4: Even Social Smoking Increases Your Risk Of Developing Lung Cancer.