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Researchers eliminate childbirth link to lung cancer

12/27/11

Researchers recently determined lung cancer risk is not correlated with the number of children a woman has.

A recently released report that examined 16 previous studies on the topic determined that pregnancies and childbirth do not play a part in cancer diagnosis, which conflicts with other studies that have been released in the past, which indicated that the hormones associated with pregnancy might reduce lung cancer risk.

"If you look at the component studies, they are all over the map," Jessica Paulus told Reuters Health, adding that she and her colleagues had hoped to be able to explain that variation. "We came up relatively empty-handed. It makes it difficult to interpret our findings."

Lung cancer is usually found in older adults, and the risk of being diagnosed is about one in 13 for men and one in 16 for women. It's well known that smoking plays a major part in lung cancer, which means smokers are at a greater risk for the disease than is reflected in the overall statistics.

Despite the recent findings, Paulus said that a link between childbirth and lung cancer still can't be entirely ruled out and she hopes to have a more in-depth study in the future.

According to the American Cancer Society, there were more than 156,000 deaths from lung cancer in 2011. Life insurance is a wise investment, given that not all risk factors for the deadly disease have been identified.

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