Women who stop smoking can enjoy major health benefits within five years, but it can take decades to correct respiratory damage and lower their risk of lung cancer, researchers reported on Tuesday.
Those who kicked the habit had a 13 per cent reduction in the risk of death from all causes including heart and vascular problems [...]
Cancer afflicts 1.5 million people a year in the United States alone, and lung cancer is the most common and deadly form of cancer worldwide. This study indicates a direct role for a miRNA in cancer progression and introduces a new paradigm of using miRNAs as effective therapeutic agents to treat human cancer.
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The study, undertaken jointly by researchers at Worcester Polytechnic Institute (WPI), Fallon Clinic, and Fallon Community Health Plan, is the first to observe a statistically significant hormetic effect of low-level radon exposure. Toxins and other environmental stressors (including radiation) that have a beneficial effect at very low doses are said to exhibit hormesis (scientists believe [...]
Many complex systems can be represented as networks, Zhang said, including the genetic networks he studies, social networks and the Internet itself. The community structure of networks features a natural division in which the vertices in each subnetwork are highly involved with each other, though connected less strongly with the rest of the network. Communities [...]
Few genes have been found to have a large impact on the risk of familial breast cancer, and researchers expect that most breast cancers are influenced by the combined effects of multiple genes, each of which has a small impact on its own. One of those genes may be AKAP9.
To determine whether a rare sequence [...]
Maria Teresa Landi, a scientist in the National Cancer Institute’s division of epidemiology and genetics, examined the spiraling lengths of DNA in lung cells to determine exactly how smoking causes genes to go awry. The study provides a broader picture of the mechanisms involved in DNA alterations, which until now, had remained largely incomplete, experts [...]
