Vaccination

Influenza vaccination of children cuts hospitalization in half

Fully vaccinating children reduced the risk of hospitalization for complications associated with influenza by 54%, according to a new study by Ben-Gurion University of the Negev (BGU) and University of Michigan researchers.

Psychology & Psychiatry

Compassionate approach to interrogation more effective, study shows

A University of Liverpool research paper, published in American Psychologist, provides new evidence for using a humane, respectful and compassionate approach to interrogating High-Value Detainees (HVDs—i.e. terrorist suspects) ...

Health

Vaping increases odds of asthma and COPD

Using data from a large federal government telephone survey of adults, Johns Hopkins Medicine researchers report evidence that inhaling heated tobacco vapor through e-cigarettes was linked to increased odds of asthma and ...

Immunology

Boost to lung immunity following infection

The strength of the immune system in response to respiratory infections is constantly changing, depending on the history of previous, unrelated infections, according to new research from the Crick.

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Asthma (from the Greek άσθμα, ásthma, "panting") is the common chronic inflammatory disease of the airways characterized by variable and recurring symptoms, reversible airflow obstruction, and bronchospasm. Symptoms include wheezing, coughing, chest tightness, and shortness of breath. Asthma is clinically classified according to the frequency of symptoms, forced expiratory volume in 1 second (FEV1), and peak expiratory flow rate. Asthma may also be classified as atopic (extrinsic) or non-atopic (intrinsic).

It is thought to be caused by a combination of genetic and environmental factors. Treatment of acute symptoms is usually with an inhaled short-acting beta-2 agonist (such as salbutamol). Symptoms can be prevented by avoiding triggers, such as allergens and irritants, and by inhaling corticosteroids. Leukotriene antagonists are less effective than corticosteroids and thus less preferred.

Its diagnosis is usually made based on the pattern of symptoms and/or response to therapy over time. The prevalence of asthma has increased significantly since the 1970s. As of 2010, 300 million people were affected worldwide. In 2009 asthma caused 250,000 deaths globally. Despite this, with proper control of asthma with step down therapy, prognosis is generally good.

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