Studies show time in space increases risk for colon cancer

04/10/2013 | MyHealthNewsDaily.com

Exposure to the high-energy radiation present in space could increase the risk of colon cancer, according to two separate studies presented at a meeting of the American Association for Cancer Research. The first study looked at the effects of the radiation on mice and found increased risk, while the second found out why: Cosmic radiation blocks cells from destroying a specific protein that promotes uncontrolled cell growth. "Knowing how space radiation induces tumor formation will allow us to develop preventive strategies that target this specific signaling pathway," said study researcher Shubhankar Suman.

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