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Australian men show more Early Indications of Prostate Cancer, New Study

Prostate-CancerIn line with a number of other recent studies, a new study indicates that men born in Australia have more early indicators of prostate cancer as compared to men born overseas.

There are suggestions that the increased rise in such indicators could be connected to diet.

The Medical Journal of Australia report found that Australian-born men, in particular those over the age of 70 years of age, have higher prostate-specific antigen levels than men born overseas.

Elevated PSA levels (prostatge specific antigen), which can be monitored via a normal blood test, are one of the possible early warning signs of prostate abnormalities, including cancer.

The research, which is said to be the biggest general population survey to be held on this type of cancer, examined the PSA levels of more than 1430 men residing in the ethnically diverse areas surrounding the Sydney’s Concord Hospital.

Most of the men in the study – 48 per cent – were born in Australia and the researchers found that those born in Italy, Greece, Britain, or Ireland had lower PSA levels than the Australian-born men.

Professor Robert Cumming, the lead author of the study, said that the reason behind this increased susceptibility is most likely affected by the general Australian diet. “The men born in Italy and Greece have a diet that may lower their risk of prostate cancer”, he added.

Previous research has linked tomatoes, which feature heavily in the Mediterranean diet, as lowering the overall risk of prostate cancer.

Professor Cumming said while diet wasn’t a specific aspect of the new study report, tomatoes were linked to lower PSA levels.

“If we wanted to pinpoint one thing it may well be that higher tomato intake is protective,” he said.

“That’s not proven, but that’s probably the most likely thing.

“There might be other things to do with the Mediterranean diet.”

The study also found nearly half of the participants reported having a PSA test in the last two years, despite recommendations against screening in this age group.

The authors say based on the results of the study, further research is needed which looks at the management of older men with an elevated PSA levels.

They also call for more research to explore the care of men diagnosed with prostate cancer in order to quantify if over-detection or over-treatment is occurring in this age group.

The report has been published in the online edition of the Medical Journal of Australia.

In other news on prostate cancer, a report released by Dr. Marcus Plescia of the Centers for Disease Control and Prevention has highlighted the declining rate of new cancer cases of about half a per cent each year since 1999. “Prostate cancer death rates have also continued to fall”, according to Dr Plescia.

Meanwhile, a new paper released by the American Institute of Physics has released a new mathematical treatment model that predicts the optimal treatment schedule for androgen suppression therapy, the routine treatment for prostate cancer, in order to reduce unwanted side effects, like sexual dysfunction, and postpones the development of treatment resistance.

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Posted by on May 24, 2012. Filed under Health. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry

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