6/2/10: Study shows > 50,000 gene mutations in lung cancer from 15 year heavy smoker.

"U.S. researchers from Genentech, the biotechnology unit of drug manufacturer Roche in California, found about 50,000 genetic mutations in an extracted tumor of a 51-year-old male patient who smoked an average of 25 cigarettes a day for 15 years, Reuters reported."

Read an AOL news article. Read the abstract from the journal Nature, which compared the tumor's genetic changes with the man's healthy tissue.

Last update: 4/11/11