Less puffing helps prolong life

London: Less puffing cuts downs mortality rates in individuals and entire populations within six months.

Simon Capewell, psychologist at University of Liverpool, said: "Our research found that smoking bans and diet improvements powerfully and rapidly reduce chronic disease in both individuals and in the wider population.

"This actually happens quickly, within a far shorter timescale than had previously been assumed; within months and years rather than decades," the journal Lancet quoted Capewell as saying.