They measured levels of pollution caused by secondhand smoke for 45 journeys by car. Result?
Breathing secondhand smoke for a short time can irritate your lungs and reduce the amount of oxygen in your blood.
As risk analysis would predict, Slovic said, smoking only started plummeting when people realized that secondhand smoke was also endangering non-smokers, including children.
The blood tests are important, because many people underestimate their exposure to secondhand smoke, said Terry Pechacek, associate director for science in the CDC's Office on Smoking and Health.
Studies of secondhand smoke have indeed moved outdoors.
High concentrations of many of these chemicals are found in secondhand smoke.
Plus, cigars often burn for longer periods of time, which leads to more secondhand smoke in the air.
This [study] adds an important piece of evidence that inhaling secondhand smoke is deleterious and does things to the airway that are not good.
So far, the science behind secondhand smoke's effects on hearing remains a mystery.
Cancer. Secondhand smoke is a known risk factor for lung cancer. Some research also suggests a link between secondhand smoke and various other types of cancer.
People can be exposed to secondhand smoke in cars, the workplace, and public places, such as bars and recreational Settings. The source of most secondhand smoke is from cigarettes.
In particular, their odds of being sensitized to cat dander were double that of children with no secondhand smoke exposure at 2 months of age.
You don't smoke because you understand the dangers - but what about secondhand smoke?
True, there is evidence that being near someone smoking, even outdoors, can result in significant secondhand smoke exposure.
Researchers have found evidence to add hearing loss to secondhand smoke's growing list of negative health effects.
Lung disease. Asthma, bronchitis and other chronic lung ailments can be triggered or aggravated by exposure to secondhand smoke.
It's been scientifically proven that secondhand smoke is dangerous.
Numerous public misconceptions remain about the health hazards of smoking and secondhand smoke. Mainstream society considers smoking an accepted behavior and smoking remains popular.
The largest tobacco consumer worldwide, China has 350 million smokers, official statistics show. Also, 540 million non-smokers are exposed to the hazards of secondhand smoke.
This latest study involved screening 31,567 asymptomatic people who were at risk for lung cancer either because they had a history of cigarette smoking, had had occupational exposure, or had been exposed to secondhand smoke.
It is not yet clear how secondhand smoke would trigger mental troubles.
Even powerful ventilation fans don't effectively remove secondhand smoke from the air.
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