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Science News Archive November 2017 - Page 15


Page 15 of 42

Filling the gap: High-latitude volcanic eruptions also have global impact

A recent study reveals that high-latitude volcanic eruptions can transport sulfate aerosols into the tropical stratosphere, influencing both hemispheres' climates. The research found that favorable atmospheric conditions can enable such long-distance transport, making these eruptions a global concern.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAtmospheric Chemistry and Physics·DateNov 20, 2017

Use of Prostate Health Index test reduces unnecessary biopsies

The Prostate Health Index test influences physician decisions to perform biopsies, with only 36% of men receiving biopsies when phi testing was included in the assessment compared to 60% before its availability. The study also found a reduction in low-grade prostate cancers detected.

SourceSpringer·JournalProstate Cancer and Prostatic Diseases·DateNov 20, 2017

Artificial photosynthesis gets big boost from new catalyst

Researchers at the University of Toronto have developed a new catalyst that increases the efficiency of artificial photosynthesis to 64%, converting electrical energy into chemical energy. This innovation addresses two major challenges in renewable energy production, capturing carbon emissions and storing energy from solar or wind power.

ACP and CDC issue recommendations for hepatitis B screening, vaccination, and care

The American College of Physicians (ACP) and the Centers for Disease Control and Prevention (CDC) advise physicians to vaccinate all unvaccinated adults against hepatitis B virus (HBV) infection and screen high-risk persons. This can help reduce chronic HBV infections, cirrhosis, hepatocellular carcinoma, and premature death.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 20, 2017

Optimal gout treatment requires ongoing monitoring for urate lowering therapy

A new study found a positive association between allopurol initiation and recurring doctor visits for gout, highlighting the need for regular chronic disease reviews to evaluate patients' preferences and eligibility for treatment. The study suggests that more frequent monitoring could reduce barriers to successfully treating gout.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateNov 20, 2017

Benzodiazepines increase mortality in persons with Alzheimer's disease

A new study published in International Journal of Geriatric Psychiatry found that benzodiazepine use is associated with a 40% increased risk of death among persons with Alzheimer's disease. The study, which included over 10,380 participants, suggests that these drugs may contribute to adverse events such as falls, pneumonia, and stroke.

SourceUniversity of Eastern Finland·JournalInternational Journal of Geriatric Psychiatry·DateNov 20, 2017

Added Arctic data shows global warming didn't pause

A new study published in Nature Climate Change reveals that the Arctic warmed more than six times the global average during the 'global warming hiatus' from 1998 to 2012. The research uses improved datasets and methods to estimate average global temperatures, showing that the rate of global warming continued to rise at 0.112C per decade.

SourceUniversity of Alaska Fairbanks·JournalNature Climate Change·DateNov 20, 2017

Light green plants save nitrogen without sacrificing photosynthetic efficiency

Researchers found that reducing chlorophyll content in plant leaves can save significant amounts of nitrogen, which can be reinvested to improve light use efficiency and increase yield. This strategy has the potential to enhance photosynthetic efficiency without sacrificing carbon gain.

New oral anticoagulant drugs associated with lower kidney risks

Researchers found that non-vitamin K antagonist oral anticoagulants are associated with reduced risk of adverse kidney outcomes in patients with atrial fibrillation. The study, published in the Journal of the American College of Cardiology, showed that about 1 in 4 patients taking these medications experienced significant kidney functi...

SourceMayo Clinic·JournalJournal of the American College of Cardiology·DateNov 20, 2017