cigarette smoking accounts for how many of all cancer deaths Although not every smoker develops lung Smoking-associated cancer deaths exact heavy
Description
Neuroscience 96 , 735742 (2000)

Thats 20 pack-years

Upto 10 8.1.2

28 September 2001

To meet the inclusion criteria, all participants must meet be daily cigarette smokers (between five and 20 cigarettes per day and smoking within one hour of waking), predominantly smoke one of the specific brands of cigarettes available in the study (Marlboro Gold, Marlboro Red, Dunhill Red, Benson and Hedges Gold, Benson and Hedges Silver), be aged between 18 and 40-years-old, have English as their first language or have an equivalent level of fluency and be able to give informed consent as judged by the lead researcher

Such certificates shall be prima facie evidence of the completion of the training program