Why smoking does not affect some individuals?
My grandma died at the age of 85 because of lung cancer and she NEVER smoked a cigarette in her time. Everyone else in the domestic smokes (including me) but noone ever had any problem except not-serious breathing issues and it's after 60s-70s. Noone does sports or drink healthy (but noone is obese)
Why smoking does not affect some relatives?
Answers: There is great heterogeneity in among respectively of our DNA and genetics which can affect copious things from the way our body handle, metabolizes, and processes toxins to the likelihood of developing cancer from inability to control the growth of extraordinary cells. We are adjectives genetically different to some degree and thus our bodies respond to stimuli and sundry diseases differently. This is one of the main reason why someone like a Peter Jennings died of lung cancer at nouns even after he quit smoking and others can smoke their whole vivacity and instead die of other non-pulmonary issues.
Also a little specified fact is that even though smoking have been correlated near the increase in lung cancer probability, singular a small percentage of smokers actually develop lung cancer.
It's in recent times one of life's little mysteries. All of our bodies are different.
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