She says there is no information to explain in detail why tobacco smoke causes behavioral problems in children with asthma.

VOA: special.2009.01.13

Doctor DeMeo says some of the people in the study did not smoke much but still developed severe lung disease.

VOA: special.2009.06.03

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

VOA: special.2009.01.13

People who agreed that environmental smoke was harmful to children's health were more likely to have restrictions on smoking in their homes.

VOA: special.2009.01.07

Just the two of us, rolling on in a cloud of friendly company and smoke from his cigar.

VOA: special.2010.01.30

This may cause people to hold the smoke in their lungs longer than smokers of other products.

VOA: special.2010.03.09

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

VOA: special.2009.01.13

But now researchers led by Doctor Jonathan Winickoff at MassGeneral Hospital for Children in Boston are warning about what they call "third-hand smoke."

VOA: special.2009.01.07

They say their findings show that even low levels of smoke may cause behavior problems in children with asthma or others at risk.

VOA: special.2009.01.13

Each year in the United States, secondhand smoke kills an estimated 46,000 nonsmokers from heart attacks.

VOA: special.2009.01.07

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

Also,there are differences between males and females in the way the body processes cigarette smoke.

VOA: special.2009.06.23

Chantix works on nicotine receptors in the brain to reduce the urge to smoke.

VOA: special.2010.03.09

Over the long term, secondhand smoke also raises the risk of disease in nonsmokers.

VOA: special.2009.01.07

The study found the girls were breathing in more tobacco smoke than the boys.

VOA: special.2009.01.13

A big cloud of smoke rose high in the air over Fort Sumter.

VOA: special.2009.08.13

Cotinine levels in blood are often used to measure exposure to tobacco smoke.

VOA: special.2009.01.13

There are dead bodies,smoke, and the buildings of Paris in the distance.

VOA: special.2010.06.23

The flame went out in a puff of gray smoke.

VOA: special.2010.05.01

Secondhand smoke also causes breathing infections in young children.

VOA: special.2009.05.27

"The people that are at the highest level of passive smoke are actually the ones reporting exposure in their own homes.

VOA: standard.2010.06.15

Gapstur credits the reduction in cigarette smoking, sparked by education campaigns, smoke-free laws,taxes and social policies for that.

VOA: standard.2010.03.25

But they also asked the people in the study where they were exposed to tobacco smoke.

VOA: standard.2010.06.15

"Smoking is easier than obesity because the way the environment has evolved in the United States really helps reinforce the decision not to smoke."

VOA: standard.2010.07.16

In recent years, medical evidence has pointed to the harmful physical effects of second-hand smoke.

VOA: standard.2010.06.15

Dr.Mark Hamer's study on the psychological impact of second-hand tobacco smoke appears in the Archives of General Psychiatry, a journal published by the American Medical Association.

VOA: standard.2010.06.15