Oncology & Cancer

Do wildfires put Californians at higher risk for lung cancer?

In California and across the country, more people are likely to die from lung cancer than any other cancer, the American Lung Association states in an August press release, as wildfire season is in full swing.

Diseases, Conditions, Syndromes

Smaller airways increase COPD risk for women

Structural differences in lung airways between men and woman may be the cause of differences in chronic obstructive pulmonary disease (COPD) prevalence and outcomes between the sexes. According to a large, multicenter study ...

Diseases, Conditions, Syndromes

Virtual lung therapy by smartphone app rivals traditional method

The QUT Inspire ISy app, was developed by QUT Ph.D. candidate Clarence Baxter and has been tested and compared with a Triflo II clinical incentive spirometry device by 24 healthy participants with the study's results published ...

Psychology & Psychiatry

Ann Shulgin, pioneer of psychedelics in therapy, dies at 91

Ann Shulgin, who together with her late husband Alexander Shulgin pioneered the use of psychedelic drugs in psychotherapy and co-wrote two seminal books on the subject, has died at the age of 91.

Psychology & Psychiatry

Cooking with 'dirty' fuels affects women's mental health

About 2.6 billion people—nearly half of the global population, most of them in Africa, Asia and central and south America—rely on biomass fuels, like wood and charcoal, or kerosene to cook meals, heat and light their ...

Diseases, Conditions, Syndromes

COPD patients respond equally well to COVID-19 vaccine

A study that tested the immune response of COPD patients to COVID-19 vaccination has shown they respond in a similar way to healthy people. The findings by scientists from The University of Manchester and published as a research ...

Diseases, Conditions, Syndromes

Bronchitis in childhood linked to adult lung problems

Bronchitis in early childhood has been found to increase the risk of lung diseases in middle age according to research from the Allergy and Lung Health Unit at the University of Melbourne.

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Chronic obstructive pulmonary disease (COPD), also known as chronic obstructive lung disease (COLD), chronic obstructive airway disease (COAD), chronic airflow limitation (CAL) and chronic obstructive respiratory disease (CORD), is the co-occurrence of chronic bronchitis and emphysema, a pair of commonly co-existing diseases of the lungs in which the airways become narrowed. This leads to a limitation of the flow of air to and from the lungs, causing shortness of breath (dyspnea). In clinical practice, COPD is defined by its characteristically low airflow on lung function tests. In contrast to asthma, this limitation is poorly reversible and usually gets progressively worse over time. In England, an estimated 842,100 of 50 million people have a diagnosis of COPD.

COPD is caused by noxious particles or gas, most commonly from tobacco smoking, which triggers an abnormal inflammatory response in the lung.

The diagnosis of COPD requires lung function tests. Important management strategies are smoking cessation, vaccinations, rehabilitation, and drug therapy (often using inhalers). Some patients go on to require long-term oxygen therapy or lung transplantation.

Worldwide, COPD ranked as the sixth leading cause of death in 1990. It is projected to be the fourth leading cause of death worldwide by 2030 due to an increase in smoking rates and demographic changes in many countries. COPD is the third leading cause of death in the U.S. and the economic burden of COPD in the U.S. in 2007 was $42.6 billion in health care costs and lost productivity.

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