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Science News for May 20, 2018


Research sheds light on a novel disease mechanism in chronic smokers

Research reveals that IL-26 is increased among chronic smokers with lung disease, mobilizing neutrophils and exacerbating bacterial infections. The study provides new insights into the pathogenic mechanisms behind COPD and chronic bronchitis, suggesting IL-26 as a promising molecular target for therapy.

SourceBiochemical Society·JournalClinical Science·DateMay 20, 2018
SAMSUNG T9 Portable SSD 2TB

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Infection blood test of limited value in reducing antibiotic use

A new study found that a procalcitonin biomarker test had little impact on reducing antibiotic use for patients with suspected lower respiratory tract infections. The trial involved 1,656 adult patients and showed that physicians already commonly withheld antibiotics based on clinical signs alone.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalNew England Journal of Medicine·DateMay 20, 2018

Improving heart health could prevent frailty in old age

A large study found that even small reductions in heart disease risk factors can help reduce frailty and dementia in older adults. Near-ideal cardiovascular risk profiles were associated with better outcomes on multiple factors, including chronic pain, falls, fractures, and dementia.

SourceUniversity of Exeter·JournalJournal of Gerontology·DateMay 20, 2018

Technique shows promise for reconstruction of airway following surgery

A feasibility study suggests that airway transplantation using cryopreserved aortic grafts may be an effective treatment option for patients with lung cancer and end-stage tracheobronchial disease. The study shows promising results, including low mortality rates and successful breathing through newly formed airways.

SourceJAMA Network·JournalJAMA·DateMay 20, 2018
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Ozone exposure at birth increases risk of asthma development

A long-term study has found that exposure to ozone at birth is associated with an increased risk of developing asthma, allergic rhinitis, and eczema in childhood. The study, which followed 1,881 children from birth to age 17, found that even small increases in ozone exposure were linked to a higher risk of developing these conditions.

SourceAmerican Thoracic Society·DateMay 20, 2018

Exercise to stay young: 4-5 days a week to slow down your heart's aging

Research published in The Journal of Physiology found that exercising 4-5 days a week slows down the ageing of the heart and blood vessels. Lifelong casual exercise (2-3 times a week) resulted in more youthful middle sized arteries, while frequent exercise (4-5 times a week) kept larger central arteries youthful.

SourceThe Physiological Society·JournalThe Journal of Physiology·DateMay 20, 2018

Brain stimulation may reduce food cravings as obesity treatment

A new brain stimulation technique, dTMS, has shown promising results in reducing food cravings in obese patients. The study found that high-frequency dTMS significantly increased beta-endorphins levels, leading to a decrease in glucose and leptin levels, suggesting a potential safer alternative to treat obesity.

SourceEuropean Society of Endocrinology·DateMay 20, 2018
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

CPAP may reduce resting heart rate in prediabetic patients

A randomized placebo-controlled study found that CPAP treatment significantly lowered resting heart rates during the day and night in patients with OSA and prediabetes. The effects were comparable to those of beta blockers, which block stress hormones and raise heart rates.

SourceAmerican Thoracic Society·DateMay 20, 2018

Neuron guidance factor found to play a key role in immune cell function

A study at Osaka University has identified Sema6D as a crucial protein in the activation of macrophages that protect against inflammatory disorders. The research found that Sema6D plays a key role in the metabolic reprogramming necessary for M2-type macrophages to function properly, highlighting its potential as a therapeutic target.

SourceOsaka University·JournalNature Immunology·DateMay 20, 2018

Multidisciplinary lung health clinic helps low-income patients

A multidisciplinary lung health clinic has been developed to provide quality, seamless care for low-income individuals with lung conditions. The clinic uses best practices such as interdisciplinary teams, patient navigators, and walk-in services to improve patient outcomes.

SourceAmerican Thoracic Society·DateMay 20, 2018