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Science News Archive June 2019 - Page 6


Page 6 of 41

Restricted permit-only access to Yosemite National Park's Half Dome summit, anticipated to improve hiker safety, did not

A new study published in Wilderness & Environmental Medicine found that implementing permit-only access to Half Dome cable handrails did not result in a significant reduction in hiker safety or search and rescue activity. In fact, the number of incidents and fatalities remained similar before and after the restrictions were implemented.

SourceElsevier·JournalWilderness and Environmental Medicine·DateJun 26, 2019

Are testosterone-boosting supplements effective? Not likely, according to new research

Researchers reviewed 50 testosterone-boosting supplements and found that only a few had data to support their claims. Many supplements contained high doses of vitamins and minerals without any proven effects on testosterone levels. The study recommends more regulation around these supplements to protect consumers.

SourceUniversity of Southern California - Health Sciences·JournalWorld Journal of Gynecology & Womens Health·DateJun 26, 2019

Heart risk raised by sitting in front of the TV, not by sitting at work, finds study

A recent study by Columbia University Irving Medical Center found that watching TV for long periods increases cardiovascular disease risk. In contrast, working hours have little effect on the risk. The study also suggests exercising regularly can offset this increased risk and mitigate its effects.

SourceColumbia University Irving Medical Center·JournalJournal of the American Heart Association·DateJun 26, 2019

Older adults' independence is most significant factor for vulnerability in hot weather

A new assessment reveals that older adults' independence is the most significant factor in their vulnerability to extreme heat. The study found that individuals with limited financial and physical assets are more susceptible to temperature extremes, highlighting the need for tailored support strategies.

SourceUniversity of Warwick·JournalInternational Journal of Environmental Health Research·DateJun 26, 2019

Soft robots for all

Researchers at Harvard University have invented a soft ring oscillator that enables soft robots to roll, undulate, sort and swallow. The invention uses pressurized air to create movement, allowing the robots to perform complex movements without electronic components.

SourceHarvard University·JournalScience Robotics·DateJun 26, 2019

New, noninvasive test for bowel diseases

A new study proposes a novel, non-invasive test for assessing gut function that may help screen and monitor treatment of gut diseases. The test measures the concentration of gut bacterial products in patient's blood and stool, detecting gut leakage and its potential impact on IBD and other intestinal diseases.

SourceThe Physiological Society·JournalExperimental Physiology·DateJun 26, 2019

Food insecurity leading to type 2 diabetes

A collaborative study by Connecticut researchers shows that food insecurity is linked to insulin resistance and the development of type 2 diabetes in Latinos. The study found that households with food-insecure individuals had higher levels of inflammation, stress hormones, and insulin resistance compared to those who were food secure.

SourceUniversity of Connecticut·JournalJournal of Nutrition·DateJun 26, 2019

Former war refugee maps habitat for West African bird

A team of researchers, led by a former war refugee, used ecological niche modeling to predict the future geographic distribution of the endangered White-breasted Guineafowl in response to climate change. The study found that the bird's range is more stable than expected, but coastal areas are threatened by sea-level rise and erosion.

SourceUniversity of Kansas·JournalAvian Research·DateJun 26, 2019

Interdisciplinary approach decreases broad spectrum antibiotic usage

A new protocol implemented at Montgomery Hospital resulted in a 25-hour reduction in patients' time on broad spectrum antibiotics, saving $322,508 over four months. The interdisciplinary approach combined comprehensive blood culture identification testing with pharmacist recommendations to optimize antibiotic use.

SourceAssociation for Professionals in Infection Control·JournalAmerican Journal of Infection Control·DateJun 26, 2019