Different types of data were extracted from each study including: (a) country in which the data were collected and participants characteristics, (b) number of subjects, (c) number of smokers, (d) age average, (e) percentage of males, (f) main results (g) intervention protocol, (h) risk of bias in individual studies, and (i) limitations among others
From better breathing to a stronger heart, every smoke-free day brings a person closer to a healthier, longer life
The study, by researchers at the Department of Plastic Surgery at Case Western Reserve University, looked at 79 sets of twins between the ages of 18 and 78 at the annual August gathering of twins in Twinsburg, Ohio
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