how does smoking cigarettes affect the brain Study shows likely leads to shrinkage It causes brain damage!! :
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The analyses in Table 6 were repeated without adjusting for BMI or for cholesterol, in case these variables were on the causal pathway between smoking or alcohol and mortality (Additional file 1: Table S1)
J., King, L
Due to the fact that smokers often weigh four to ten pounds less than nonsmokers who have the same diet and level of physical activity, quitting smoking allows a person to return to their pre-smoking weight
