Serum cotinine levels are a reliable marker of tobacco use. Few studies have validated questionnaires assessing smoking and exposure to environmental tobacco smoke (ETS) against serum levels. We undertook such a study in industrial workers in India.

The cigarette ban law that came into effect in October 2008 is set to finally get some teeth more than a year and a half later, when Calcutta police start collecting a Rs 200 fine from those who light up in public.

April 8: In India, with an estimated 12 crore smokers, only two per cent manage to quit the tobacco habit, as compared to 40 per cent in the United States and Europe. Though the age of smoking initiation is higher in Indians, the quitting habit is rare.

Jerusalem: If you thought cigarette on your lips makes you look smart, think again as a new study claims that smoking lowers one

London: Scientists have discovered what they claim is a common gene that raises the risk of developing lung cancer in non-smokers, a breakthrough which may pave the way for new targeted therapies for patients.

The level of 210Po in eight brands of cigarettes and four brands of bidis popular in and around Nagercoil town was determined to evaluate the annual effective dose. The 210Po activity in a full cigarette ranged from

Counting the world

After five years, the World Health Organization

Bidi must be taxed because of its health consequences and not merely because cigarette is also taxed, a research study on

Washington: You know smoking is bad for you. You know inhaling someone else

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