did they smoke real cigarettes on mad men Jon Hamm Recalls Consuming Fake and Martinis While Filming 'Mad Men' Analyzing Don Draper's anti-tobacco screed

The fact is: Yes, it can be

Problems in pregnancy and the reproductive system - Smoking can adversely affect women smokers during pregnancies and even passive smokers and also causes serious conditions like erectile dysfunctions in men

Common replacements include hard candies, sunflower seeds (in the shell, especially), mints, and gum

To learn more about CLPR, visit Keep America Beautiful's Cigarette Litter Prevention and Recycling Program website

Social desirability and report bias cannot be ruled out

The public health ramifications would be significant: It would mean an astronomical reduction or near-elimination of smoking-caused diseases like lung cancer and chronic obstructive pulmonary disease