But she says there is much evidence that nicotine in tobacco smoke affects the nervous system, and child development and behavior.

VOA: special.2009.01.13

We also will present evidence of a suspected link between tobacco smoke and behavioral problems in boys with asthma.

VOA: special.2009.01.13

This kind of tobacco is grown extensively in Africa and used extensively in American-style cigarettes that are popular worldwide.

VOA: special.2010.11.17

The World Health Organization says tobacco kills nearly five and a half million people a year -- another victim every six seconds.

VOA: special.2010.05.31

She writes about Henrietta's childhood on a tobacco farm in Virginia, her marriage and her move to Baltimore,Maryland.

VOA: special.2010.07.21

Experts say forty percent of cancers could be prevented by avoiding health risks like smoking and tobacco use.

VOA: special.2010.03.09

This year, special attention is being given to the harmful effects of tobacco marketing to women and girls.

VOA: special.2010.05.31

The researchers say more studies are needed to learn the reason for the different effects of tobacco smoke on boys and girls.

VOA: special.2009.01.13

The W.H.O.is calling on those governments to ban tobacco advertising to the fullest extent possible and to do more to protect women.

VOA: special.2010.05.31

An American study has shown a link between tobacco smoke and behavioral problems in boys with asthma.

VOA: special.2009.01.13

The observance is meant to bring attention to the growing use of tobacco and its deadly effects.

VOA: special.2010.05.31

A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco smoking - heart disease.

VOA: special.2009.01.07

When you smoke, he says, dangerous matter from tobacco smoke gets into your hair and clothing.

VOA: special.2009.01.07

Almost one hundred seventy countries have signed a treaty called the Framework Convention on Tobacco Control.

VOA: special.2010.05.31

Jim Cavanaugh is a bomb expert who worked for the Bureau of Alcohol,Tobacco, Firearms and Explosives.

VOA: special.2010.05.08

Other risk factors for a silent stroke are high blood pressure, heart disease,diabetes and tobacco use.

VOA: special.2009.08.12

Nonsmokers are also affected. Thousands in the United States die each year from heart disease and lung cancer from breathing other people's tobacco smoke.

VOA: special.2009.05.27

For example, a Denver newspaper reporter named Gene Fowler wrote that she survived a tornado as a baby, refused to attend school and chewed tobacco.

VOA: special.2010.03.08

The W.H.O.says the tobacco industry has increasingly directed its marketing campaigns at women and girls.

VOA: special.2010.05.31

The more contact the boys had with tobacco smoke the more likely they were to have recognizable behavior problems, such as extreme excitability and aggression.

VOA: special.2009.01.13

Eighty percent of the signers have banned the sale of tobacco products to young people.

VOA: special.2010.05.31

The researchers tested blood from the children for evidence of cotinine, a tobacco byproduct.

VOA: special.2009.01.13

Events are planned in a number of countries to mark World No Tobacco Day.

VOA: special.2010.05.31