[Lifestayle] Resultados de traducción Good economy? More bowel cancer, study finding

[WilkerCSBD]

(CNN) - Economic development is a good thing ... but not when it comes to the risk of developing colorectal cancer.

According to a recent study, as a country develops, the rates of this type of cancer also increase along with it.

The study revealed a 10-fold difference in cases globally, based on a country's level of economic development. The "western" lifestyle that accompanies a country's growing economy is believed to be behind the rate hikes.

"Colorectal cancer is the clearest marker of social and economic transition," says cancer epidemiologist Melina Arnold of the International Agency for Research on Cancer who led the study.

Also known as bowel cancer, this is the third most common type of cancer in the world. It affected 1.4 million people in 2012 and is projected to increase by 60%, to more than 2.2 million cases - and 1.1 million deaths - by 2030.

This form of cancer is a common result of poor lifestyle choices such as poor diet, low levels of exercise, smoking, and heavy alcohol use.

"This is largely preventable because it is related to lifestyle factors," says Arnold.

Arnold and other experts in the field were already aware of the geographic variation seen in the rates of this type of cancer specifically, but its extent was a revelation.

"There is a growing disparity," says Arnold.

Does prosperity lead to cancer?

Arnold's team analyzed colorectal cancer rates at all levels of the Human Development Index (HDI) in 184 countries and found that the higher the HDI, the higher the bowel cancer rates. Very high HDI countries had levels, on average, six times higher than low HDI countries.

More importantly, this type of cancer was found to be on the rise in low- and middle-income countries as their economies developed.

"Decades ago you didn't see it much in low-income countries, they had more infection-related cancers," says Arnold.

An example of an infection-related cancer is cervical cancer, which can result from infections caused by the human papillomavirus (HPV).

However, lifestyle diseases — and cancers — are becoming more prevalent today.

"Low-income countries are catching up with the rest," she says.

Countries where colorectal cancer numbers - and death rates - were increasing, or stable, include China, Russia, Brazil, and the Baltic countries, which have seen rapid economic development in the last decade. With this change there is a rapid progression to a Western diet and lifestyle.

The study was observational, in which the findings were based on aging and living po[CENSORED]tions, but experts have long known that lifestyle plays an important role in the emergence of this type. Of cancer.

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