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Air pollution can occur naturally or be caused by human activities. [4] Air pollution causes around 7 or 8 million deaths each year. [5] [6] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.
The committee's report, published in January 1964, firmly concluded that cigarette smoking "far outweighs all other factors" in causing lung cancer. [108] The report received substantial coverage in the popular press, and is widely seen as a turning point for public recognition that tobacco smoking causes lung cancer. [107] [109]
Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon.. Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm or discomfort to humans or other living organisms, or damage ecosystems.
UK researchers have uncovered the mechanism by which tiny pollution particles help cancer cells grow. Air pollution ‘wakes up’ dormant cells that cause lung cancer, scientists find Skip to ...
The dust from the collapsed towers was "wildly toxic", according to air pollution expert and University of California Davis Professor Emeritus Thomas Cahill. [6] Much of the thousands of tons of debris resulting from the collapse of the Twin Towers was pulverized concrete, which is known to cause silicosis upon inhalation.
The American Lung Association’s State of the Air report for 2024 listed the Los Angeles area as one of the top 10 cities polluted by year-round particle pollution. It’s been No. 1 for ozone ...
A 2002 study found that "Each 10 μg/m 3 elevation in fine particulate air pollution was associated with approximately a 4%, 6% and 8% increased risk of all-cause, cardiopulmonary, and lung cancer mortality, respectively."
The report also found that although cases of lung cancer declined overall from 2012 to 2021, the decrease was slower in women — most likely because women were slower to take up heavy smoking and ...
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