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Doctors have long noticed a link between smoking and cancers found in organs beside the lungs, including kidney, colon and bladder cancers.
Now, a new study shows lighting up a cigarette changes a person's gene activity across the body. The findings may be a clue to why smoking affects overall health - from heart disease to combating infections.
A research team from Australia and San Antonio, Texas, analyzed white blood cell samples of 1,240 people, ages 16-94, who were participating in the San Antonio Family Heart Study.
They found that the self-identified smokers in the group - 297 people - were more likely to have unusual patterns of "gene expression" related to tumor development, inflammation, virus elimination, cell death and more. A gene is expressed when it codes for a protein that then instructs, or kick-starts, a process in the body.
The authors of the study found cigarette smoke could increase or decrease the level of expression of 323 genes.
"On some levels, we were surprised by the extent of the influence exposure to cigarette smoke had on gene expression, especially considering we used such a simple measure of smoke exposure: smoker or non-smoker," said lead author Jac Charlesworth, a research fellow at the Menzies Research Institute Tasmania in Australia.
Originally posted by dbloch7986
Smokers are not hurting anyone
Originally posted by jenmckin
reply to post by ThaLoccster
I wonder if they considered that by smoking, vitamins & minerals are leeched from the body. It also decreases the body's ability to absorb vitamins and minerals. This could lead to a decrease in immune system function and deterioration of other systems.
All of the above mentioned chemicals certainly can't help, but I think smoking in general (additives or not) still has the ability to pull those vitamins (namely Vitamin C) from the body.
source
I have started seeing more commercials for the "electronic cigarettes" that
are water vapor only. I'm not sure about them. I don't know anyone that has tried them. But the commercial certainly made me cock my head to one side.
They deliver a nicotine "spray" through the vapor they emit.
Blu Cigarettes
I wonder if these have less of an impact on the body.
Originally posted by thaknobodi
While everybody else is getting out of bed I'm getting in it, I'm not in it to win it. And there's a thousand ways you can skin it.
Originally posted by thisguyrighthere
Originally posted by dbloch7986
Smokers are not hurting anyone
Tell that to the families displaced by some lazy a-holes who fell asleep with a lit cigarette and burned down an entire apartment complex.
Of the thousands of scorched acres of forest.
Smokers arent innocent.
Not to mention they absolutely ruin the resale value of everything they touch by impregnating it with their stink. The filth they leave in a house or apartment is as bad as cat spray.