2 cigarettes a day Smoking One Pack of Per Causes 150 Extra Mutations in Lung Cells “I only smoke 2 cigarettes
Description
and if you are filling 100mm tubes
The views expressed in this editorial are the authors own and do not necessarily represent those of their institution or funding agencies

Psychological reality : seeing a 13 package helps you realize that this is no ordinary expense its an alarming investment in a destructive cycle

Tobacco use disparities and disability among US college students