We break exact linear dependency between the three explanatory variables (i.e., cohort = period age) and deal with under-identification by grouping birth cohorts into frequently used 5-year intervals, and, after confirmation of a curvilinear relationship, treat smoking as a quadratic function of age 30
Nicotine reduces the volume of blood flowing through the vessels, which affects the supply of oxygen to the kidney tissues
smoking, other than water pipe tobacco, whether or not containing tobacco substitutes in any proportion, with a CAGR of +32.9%, saw the highest growth rate of the value of imports, in terms of the main product categories over the period under review, while purchases for the other products experienced a decline
requiring pictorial health warnings on all tobacco products
They would use it to get through long practices and grueling games