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Showing posts with the label blood vessels

Environmental Pollution: Secondhand Smoke and Its Public Health Implications

WHO | About second hand smoke : "The original Surgeon General's report, followed by this first "hazard" warning on cigarette packages, the subsequent "danger" warning on cigarette packages, the removal of cigarette advertising from television and the inclusion of the "danger" warning in cigarette advertising, were all "blows" of sorts for the tobacco industry. They were, however, blows that the cigarette industry could successfully weather because they were all directed against the smoker himself. The anti-smoking forces' latest tack, however - on the passive smoking issue - is quite a different matter.... Nearly six out of ten believe that smoking is hazardous to the nonsmokers' health, up sharply over the last four years. More than two-thirds of nonsmokers believe it; nearly half of all smokers believe it.

Air pollution impairs function of blood vessels in lungs

Air pollution impairs function of blood vessels in lungs: Authors recommend limiting physical activity in heavily polluted areas -- ScienceDaily : ""This is the first human study to report an influence of air pollution on pulmonary vascular function," said lead author Dr Jean-Francois Argacha, a cardiologist at the University Hospital (UZ) Brussels, Belgium. "This is a major public health issue for people living in polluted urban areas where exercise could damage the lungs and potentially lead to decompensated heart failure." Promoting a safer environment appears to be as important as controlling conventional risk factors, like high cholesterol, in reducing cardiovascular disease.2 Air pollution consists of particles (particulate matter [PM] of different sizes) and gases (nitrogen dioxide, ozone, etc). The first vascular bed in contact with air pollutants is the pulmonary circulation yet few studies have investigated the impact.