Fumar provoca alterações duradouras no ADN

http://m.huffpost.com/uk/entry/uk_57e39f9fe4b0db20a6e85f4e
Citando:
"A new study has shown that smoking causes DNA methylation – a cellular process, which modifies the function of DNA – in as many as 30% of genes in the human body.



Quitting will benefit your health in other ways, [but] even three decades after stopping, some smokers still had persistent methylation sites in numbers never seen in non-smokers."


Estudo:
http://newsroom.heart.org/news/smoking-leaves-historical-footprint-in-dna