United States Virginia change
Sri Lanka Breaking News
Sri Lanka parliament
vivalankaSri Lanka newsSri Lanka businessSri Lanka sportsSri Lanka technologySri Lanka travelSri Lanka videosSri Lanka eventssinhala newstamil newsSri Lanka business directory
vivalanka advertising
Stay Connected
Popular Searches
T20 World Cup
Sponsored Links
Sri Lanka Explorer

The urge to smoke 'is in our genes', say researchers

Apr 26, 2010 7:22:28 AM - bbc.co.uk
Scientists identify three genetic mutations that increase the number of cigarettes people smoke a day.