is it good to smoke cigarettes Many people think smoking only on the weekends or at parties harmless, but doctors warn there is no safe amount of tobacco. Find out how even occasional smoking damages your heart The evidence keeps piling up:

Angiogenic activity of nicotinic acetylcholine receptors: implications in tobacco-related vascular diseases

Hospitals and clinics offer special outpatient anti-smoking programs

They deliver nicotine without tobacco or smoke

They found that the participants were just as willing and motivated to complete a task when they were high as when they were sober

July 29, 2011 The Supreme Court of Canada rules that the federal government cannot be held liable in lawsuits directed at recovering smoking-related health costs from tobacco companies June 30, 2011 Nova Scotia and Manitoba announce their intention to jointly sue tobacco companies for health-care costs related to smoking between the 1950s and 1980s