us department of health and human services

Smoking plays a role in lung cancer development, and now scientists have shown that smoking also affects the way genes are expressed, leading to alterations in cell division and regulation of immune response. Notably, some of the changes in gene expression persisted in people who had quit smoking many years earlier. These findings by researchers at the National Cancer … [Read more...] about Smoking’s Effects on Genes May Play a Role in Lung Cancer Development and Survival