> Not really but he smoked for 40 years before quitting around age 55. My father smoked for around 30 years, I've smoked for around 16 years. > Or it’s possi

> Not really but he smoked for 40 years before quitting around age 55. My father smoked for around 30 years, I've smoked for around 16 years. > Or it’s possible the preliminary results are correct. Sure, it's a possibility too, I would like to see more long term studies tough, with enough participants to statistically exclude all environmental noise. For now we can be sure of one thing, genetics is the main factor in how we age.