Five-year fillip for quitters
Within five years of quitting smoking, women dramatically reduce their risk of death from coronary heart disease and have a 20% lower risk of death from smoking-related cancer, a large US study shows.
Date on more than 100,000 women taking part in the Nurses' Health study showed a 13% drop in all-cause mortality within five years of quitting compared with people who continued to smoke. The excess risk fell to that of non smokers within 20 years.
As much as 61% of the potential benefit of quitting on coronary heart disease mortality occurred within the first five years, the research showed.
JAMA 2008; 299: 2037-47