Medicine News

Distinct Gut Bacterial Communities are Associated with Personality Traits: Study

Boolani et al. suggest that energy and fatigue are unique traits that could be defined by distinct bacterial communities not driven by diet. Image credit: Darryl Leja, National Human Genome Research Institute, National Institutes of Health.
Mar 31, 2022 by News Staff

New research provides evidence that the four traits (i.e., mental energy and fatigue, physical energy and fatigue) may have unique yet overlapping gut bacteria profiles; for example, the bacteria most often correlated with feelings of energy perform metabolic functions, while bacteria most often correlated with feelings of fatigue are associated with inflammation. Boolani et al. suggest that energy and fatigue are unique traits that could be defined...

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Sleep restriction combined with ad libitum food promotes excess energy intake without varying energy expenditure. Image credit: Covassin et al., doi: 10.1016/j.jacc.2022.01.038.

Study: Lack of Sleep Predisposes to Abdominal Visceral Obesity

Mar 30, 2022 by News Staff

Visceral fat is deposited deep inside the abdomen around internal organs and is strongly linked to cardiac and metabolic diseases. New research from Mayo...

Plums (Prunus domestica). Image credit: Vanessa / K-e-k-u-l-é.

Daily Prune Consumption Improves Bone Health, New Study Finds

Mar 29, 2022 by News Staff

Bone mineral density (BMD) is known to decrease rapidly after menopause and women over the age of 50 are more likely to experience hip fractures, which...

Daytime napping and cognition may drive each other’s changes bidirectionally. Image credit: StockSnap.

Study Finds Bidirectional Link between Daytime Napping and Cognitive Aging

Mar 28, 2022 by News Staff

In a new cohort study, published in the journal Alzheimer’s & Dementia, participants tended to nap longer and more frequently with aging; most importantly,...

This image shows subcellular localization of ADRAM (red) in primary cortical neurons. Scale bar - 20 μm. Image credit: Wei et al., doi: 10.1016/j.celrep.2022.110546.

Study: Junk DNA Could Be Key to Extinguishing Fear-Related Memories

Mar 25, 2022 by News Staff

Queensland Brain Institute’s Dr. Timothy Bredy and colleagues have discovered an experience-induced non-coding RNA, named ADRAM (activity-dependent lncRNA...

Alpha-linolenic acid, a type of omega-3 fatty acid, is found in flaxseed oil as well as canola, soy, perilla, and walnut oils. Image credit: Handwerker / CC BY-SA 3.0.

Plant-Derived Fatty Acid Reduces Heart Disease Risk, New Review Says

Mar 23, 2022 by News Staff

Alpha-linolenic acid, a vegetable omega-3 fatty acid, can benefit heart health and reduce the risk of heart disease, according to a review paper published...

Heiss et al. found daily consumption of cranberries for one month improved cardiovascular function in healthy men. Image credit: Pexels.

Daily Cranberry Consumption Improves Cardiovascular Function: Study

Mar 22, 2022 by Enrico de Lazaro

Daily consumption of whole cranberry powder for one month improves vascular function in healthy men and this is linked with specific metabolite profiles...

Chen et al. observed an association between lithium use and a decreased risk of developing dementia. Image credit: James Heilman / CC BY-SA 4.0.

Study: Lithium Treatment May Decrease Risk of Developing Dementia

Mar 17, 2022 by News Staff

In a study involving 29,618 patients, prescription lithium use was associated with a lower risk of receiving a diagnosis of dementia and its subtypes,...

Sesso et al. examined whether cocoa extract supplementation decreases total cardiovascular disease among older adults. Image credit: Sci-News.com.

Cocoa Flavanols May Help Reduce Cardiovascular Risk

Mar 17, 2022 by News Staff

In the COcoa Supplement and Multivitamin Outcomes Study (COSMOS), a team of researchers led by Brigham and Women’s Hospital scientists examined whether...

Tabone et al. found that cocoa had no significant effects on serum and fecal metabolites and that its consumption had little impact on the metabolome after a bout of physical exercise. Image credit: Sci-News.com.

Study: Cocoa Supplements Don’t Improve Exercise-Related Digestive Issues in Endurance Athletes

Mar 3, 2022 by News Staff

Cocoa is used in the sports world as a supplement, although there is no consensus on its use. In a new study, researchers from the Universidad Europea...

You et al. shows that meat intake is positively associated with life expectancy at national level; the underlying reasons may be that meat not only provides energy but also complete nutrients to human body; from the evolutionary point of view, meat has arguably been an indispensable component in human diet for millions of years, which is evidenced, genetically, by meat digesting enzymes and digestive tract anatomy; the complete nutritional profile of meat and human adaptation to meat eating have enabled humans to gain many physical benefits, including greater life expectancy; meat intake, or its adequate replacement, should be incorporated into nutritional science to improve human life expectancy. Image credit: Reinhard Thrainer.

Study: Meat Consumption is Positively Associated with Life Expectancy

Feb 22, 2022 by Enrico de Lazaro

A team of scientists from Australia, Italy, Poland and Switzerland has examined the association between meat intake and life expectancy at a population...

Magnified image showing adult stem cells in the process of turning into bone cells after treatment with high-frequency sound waves. Green coloring shows the presence of collagen, which the cells produce as they become bone cells. Magnification - 60x. Image credit: RMIT University.

Scientists Use Sound Waves to Turn Human Stem Cells into Bone Cells

Feb 21, 2022 by News Staff

Researchers at RMIT University have used high frequency MHz-order mechanostimulation to trigger differentiation of human mesenchymal stem cells from various...

Caffeine blocks PCSK9 expression and increases LDL cholesterol clearance in hepatocytes. Image credit: Sci-News.com.

Study: Caffeine Impacts Expression of Genes Known to Mediate Cardiovascular Risk

Feb 18, 2022 by News Staff

Evidence suggests that caffeine reduces cardiovascular disease risk. However, the mechanism by which this occurs is still unknown. In a new study, researchers...

The study sheds new light on the link between sleep deprivation and obesity. Image credit: Sweet Briar College.

Improving and Maintaining Adequate Sleep Duration Could Reduce Weight, New Research Suggests

Feb 9, 2022 by News Staff

In a single-center, randomized clinical trial with 80 adults, a team of researchers from the University of Chicago and the University of Wisconsin-Madison...

This photo shows a chimpanzee female, Roxy, applying an insect to a wound on the face of an adult chimpanzee male named Thea. Image credit: Tobias Deschner.

Chimpanzees Regularly Capture Insects and Apply Them onto Wounds

Feb 8, 2022 by News Staff

In a new paper published this week in the journal Current Biology, University of Osnabrück’s Dr. Simone Pika and colleagues report the first observations...

FGF21 suppresses alcohol consumption through a specific population of neurons in the brain. Image credit: Flippo et al., doi: 10.1016/j.cmet.2021.12.024.

Hormone Treatment Suppresses Alcohol Consumption in Non-Human Primates

Feb 2, 2022 by News Staff

Vervet monkeys (Chlorocebus pygerythrus) with a strong preference for ethanol that were given an analogue of FGF21 (fibroblast growth factor 21), a powerful...

Researchers Successfully Regrow African Clawed Frog’s Lost Leg

Jan 26, 2022 by News Staff

Limb regeneration is a frontier in biomedical science. Organisms such as the African clawed frog (Xenopus laevis) — whose limited regenerative capacities...

Watermelon is a unique fruit loved for its sweet juicy flesh and strong ties to hot summer days, picnics, and family gatherings. Image credit: Andrea Petra Fogas.

Regular Watermelon Consumption May Help Promote Cardio-Metabolic Health

Jan 26, 2022 by Natali Anderson

A team of researchers from the Department of Food Science and Nutrition at the Illinois Institute of Technology has reviewed the preclinical and clinical...

Coffee Consumption Has Stimulating Effect on Digestive Processes, New Review Says

Jan 21, 2022 by Enrico de Lazaro

Since coffee is widely consumed worldwide, it is of critical importance to know its effects on the first organs of the body with which it comes in contact...

Trudel et al. suggest that the destruction of red blood cells, termed hemolysis, is a primary effect of microgravity in space flight and support the hypothesis that the anemia associated with space flight is a hemolytic condition that should be considered in the screening and monitoring of both astronauts and space tourists. Image credit: NASA.

Study: Destruction of Red Blood Cells Contributes to Anemia during Long-Duration Space Flights

Jan 14, 2022 by News Staff

On Earth, our bodies create and destroy 2 million red blood cells every second. In a new study published today in the journal Nature Medicine, a team of...

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