Who says you can't change DNA? I just read an article in the paper from New Scientist Magazine "Men inherit hidden cost of dad's vices"
According to this article smoking in early life may influence the health of men's sons and grandsons. This is an inherited effect due to the subtle chemical changes to the DNA caused by a young man's smoking.
Makes sense to me...it's like the survival of the fitest..per Darwin's theory. If we mess up our genes, then we past them on to future generations. Especially, if young men or woman abuse their bodies during puberty by smoking at a very early age when the body is especially sensitive to environment stress.
A study that was conducted suggested that men who smoked very early on, around age 9 had sons who were significantly fatter than average. There were no similar effect for daughters.
Go girls! But, maybe that is a whole other story involving the smoking habits of mothers, even before they become pregnant?
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