original use of tobacco History smoking Tobacco Audiobook by Iain Gately

Your teeth can also develop stains as you age

3: Times Square, New York City Annual Visitors: 50,000,000"

Using data derived from the general population as controls resulted in unadjusted odds ratios (ORs) for people with BD of 5.0 (95% CI: 3.37.8) for current cigarette smoking, 2.6 (95% CI: 1.74.4) for life-time cigarette smoking, and 0.13 (95% CI: 0.030.24) for stopping smoking, the latter indicating that the willingness to quit appears low in people with BD [albeit reports on psychosocial interventions suggest reasonable motivation (11)]

however, studies that use such data are subject to a number of different limitations