While there is nothing surprising about the paragraph above, you might be surprised to learn that smoking actually causes you to look much older than your peers
The NNAL concentration was the highest among children of smoking parents who were also exposed to SHS at home (3.829 pg/mg, 95% confidence interval [CI]: 1.4998.330), followed by children with smoking parents but no SHS exposure at home (1.297, 95% CI: 1.0801.536), and children with nonsmoking parents (0.996 pg/mg, 95% CI: 1.0261.427)
doi:10.1016/j.addbeh.2017.02.020 20ReganAK, PromoffG, DubeSR, ArrazolaR
The benefits to your eye health can be substantial and can start almost immediately
Elevated cotinine levels and decreased salivary pH have been reported by numerous studies among cigarette smoker [9,10,11,12]