Fumar e cancro?

Fumar provoca cancro e impede que o corpo combata o cancro:
https://www.thetimes.co.uk/article/smoking-stops-your-body-fighting-deadly-cancer-xx6c8nbnj

Citando:
"A study found that patients with melanoma who had smoked were 40 per cent less likely to survive the skin cancer than those who had not smoked.

Further analysis based on participants’ genes suggested that smoking might harm the immune system’s ability to fight melanoma.

The researchers said that their findings were another reason for people to stop smoking, particularly if they had received a diagnosis of melanoma, the most deadly form of skin cancer."

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

Publicidade dos anos 80 e aumento do cancro do pulmão

http://www.heraldscotland.com/News/14499022.Lung_cancer_rates_among_women_on_rise_due_to_80s_adverts/


Citando:
"Gregor McNie, Cancer Research UK’s senior public affairs manager in Scotland, said this reflected trends in the popularity of smoking. He said: “Male smoking peaked in the 1970s and started declining at that point. For women it was more in the 1980s.




“Also tobacco marketing focused more on women in the 1980s, targeting housewives.
“The lung cancer rates are a decade behind for women.”
If the figures are adjusted for age, incidence of cancer in general dropped by 3% for men but increased by 6% for women over the decade to 2014. "

Estudo sobre o cigarro electrónico - RU

http://ptjornal.com/afinal-cigarro-eletronico-melhor-pior-tradicional-78325


Melhor que o cigarro tradicional (aumentando a probabilidade de deixar de fumar), pior que deixar de fumar.