Tag: readies

Chronic exposure to cigarette smoke can change lung cells over time, making them more vulnerable to disease and priming them to develop cancer, say US researchers. The report in the journal Cancer Cell is based on lab experiments on lung cells that were exposed to chronic cigarette smoke – the equivalent of a person smoking for 20 to 30 years. After about 10 days, the cells began to change their gene expression, a process known as epigenetic change. It took 10 months before these changes built up enough to boost…