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Recently I came to know from my friends in metros that smoking in young females is increased manifold. Worrisome future ahead.

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Blood is water at the core. Water (or Specialized water called Blood) is the closest epigenetic medium for cells. Water carries memory of not only smoking but all your legacy (Not just DNA!). That is how you and me exhibit so many traits of our parents and grandparents.

And this is the reason that role of mother is critical in maintaining right habits, diet – before even couple plan for child.

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If you are planning child in upcoming spring (the best time to make love), start preparing your body now. Regularize routine. Stop non-healthy food. Stop anti-body habits. Be at peace for at least 3 months before you plan for child. No stress, no anger, no lust, no greed, no jealousy.


Research


Blood From Small Children ‘Remembers’ Prenatal Smoking Exposure

–Molecular evidence that mother smoked during pregnancy is still detectable five years later

The findings, published online in the journal Environmental Research, offer strong evidence that environmental exposures that go as far back as the womb may continue to remain in the body and potentially affect someone’s health for years after birth. They also suggest that with further research it could be possible to detect exposures to other potential toxins during pregnancy that are less evident such as to chemicals in plastics, undetected infections or contaminants in drinking water.

Ultimately, the hope would be to link these exposures to chronic diseases such as autism, obesity or heart disease to better understand how diseases develop and possibly help prevent them.

“If you have a blood sample, you may be able to ask research questions that you could never ask before,” says study leader M. Daniele Fallin, PhD, the Sylvia and Harold Halpert Professor and Chair of the Bloomberg School’s Department of Mental Health. “Smoking is one thing. But if this turns out to be possible for other kinds of exposures, this could be a paradigm shift.

“We have long known that the body is an accumulator of past exposures – evidence of lead exposure lives on in our bones, for example. But we did not know that something as easy to collect as blood could contain evidence of exposures not only during your life but prenatally. That’s what makes this so compelling.”

For this new proof of principle study, Fallin and her colleagues did an analysis of epigenetics, molecules that are not part of the DNA sequence but sit on top of it and regulate which genes are turned on and off when and where in the body. Two years ago, another group of researchers looked at newborn cord blood and found that the amount of an epigenetic mark, known as DNA methylation, at 26 locations on the genome, was correlated with whether that baby’s mother had smoked during pregnancy.

For this study, Fallin and her colleagues took the experiment a step further. They tested the blood of 531 preschoolers from six different sites in the United States and also spoke to their mothers about whether or not they smoked during pregnancy. They again analyzed methylation patterns at the same 26 locations in the genome and found that 81 percent of the time their test was able to accurately predict prenatal smoking exposure. It was not previously known whether this epigenetic signature would still be around as many as five years later, but the blood still contained this molecular memory.

It is possible, the researchers say, that the signature is also related to exposure to secondhand smoke after birth, but that would not account for all of it since at birth — before they could be exposed to secondhand smoke — those whose mothers smoked while pregnant already had the signature.

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