Senin, 25 Juni 2012

Smoking fathers pass on damaged DNA to their children raising the risk of cancer

Smoking fathers pass on damaged DNA to their children raising the risk of cancer

By Daily Mail Reporter

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Fathers who smoke pass on damaged DNA to their children â€" raising the risk of cancer, research shows.

A study found that smoking harms the father’s DNA, and these damaged genes can be inherited by his children.

This raises the risk of youngsters developing childhood cancers, particularly leukaemia, warn researchers at the University of Bradford.

Dangerous: A study found that smoking harms the father¿s DNA, and these damaged genes can be inherited by his children.

Dangerous: A study found that smoking harms the father¿s DNA, and these damaged genes can be inherited by his children

Because a fertile sperm cell takes three months to fully develop, fathers should kick the habit 12 weeks before conceiving to avoid the risk, Dr Diana Anderson said.

She added: ‘Smoking by fathers at the time around conception can lead to genetic changes in their children. These changes may raise the risk of developing cancer.’

Meanwhile scientists at the University of Glasgow have also found that men who drink lots of tea are far more likely to develop prostate cancer.

They found that those who drank seven or more cups a day had a 50 per cent higher risk of contracting the disease than men who had three or fewer.

The warning comes after researchers tracked the health of more than 6,000 men for four decades.

Their findings run counter to previous research, which had suggested that tea-drinking lowers the risk of cancer, as well as heart disease, diabetes and Parkinson’s disease.

Here's what other readers have said. Why not add your thoughts, or debate this issue live on our message boards.

The comments below have been moderated in advance.

There should be a study of the prevalence of various common chronic conditions (heart disease, diabetes, hypertension, asthma, etc.) among the non-smoking offspring of smokers versus non-smokers. Don't be surprised if the results are enough to make anyone feel a bit sick.

So now we have arrived at fourth hand smoke. I'll have a lot of fun with this when I meet the next idiot drone who believes every word they are told. Give us smokers weapons of words and expect us to not use them? Keep them coming.

Go Bradford Uni...!

Cue the libertarians claiming this is just part of the conspiracy to interfere with their pleasure.

If drinking tea "causes" prostate cancer, surely tea drinking "can" damage the father's DNA and "may" increase the risk of the child developing cancer. Should fathers to be abstain from drinking tea for three months before trying for a child? And what about all the many others things that "cause" cancer, reported daily in the DM?

Give me a million quid of funding and I'll "prove" that smoking caused England to lose the penalty shoot-out.

And what about the mothers who smoked before they got pregnant ? Don't they have DNA .. god this is so perfect.

Its the free radicals (unstable atoms/molocules due to missing unpaird electrons) in the smoke that cause the damage to DNA. The same free radicals that we breath in at every breath regardless of what we are doing (although smoking increases free radicals massively). The mere fact that we breathe will ensure we die (through oxidation - just like oxygen rusts solid metal) - to minimise this effect (and therefore extend our life) its very important that we take in very high doses of anti oxidants (live foods with plenty of excess electrons) to counteract this affect. Process foods, alcohol, fizzy drinks, coffee, bread, etc, etc (i.e dead foods), also have very high free radical content. The fact that we are not taught this basic fundamental stuff at school is criminal!!

At the end of the day researchers can find anything which will make one a "bad potential parent" for ever having been near tobacco smoke (I don't smoke). I do hope that these researchers understand that we have had entire generations of kids whose fathers also worked in shipyards, steelmills, asbestos factories and breathed in the same chemicals found in cigarettes but then went on to produce today's leaders. Potential fathers who don't wish to be held accountable for their childrens' illnesses should probably move out of large polluted, metro areas as well. I think a more worthy study would be one on the number of kids born to parents who use meth, cocaine or heroin and the link to ADHD etc. Additionally, the link between chronic THC consumption and chromosonal damage has also been studied in the past.

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