Medicine News

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

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.
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 de Madrid and elsewhere investigated the effect of cocoa intake on intestinal ischemia, gastrointestinal symptoms, gut microbiota, and serum lipopolysaccharide levels in endurance athletes during their training period on an unrestricted diet. Tabone et al. found that cocoa had no significant effects...

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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...

Higher olive oil intake was associated with lower risk of total and cause-specific mortality; replacing margarine, butter, mayonnaise, and dairy fat with olive oil was associated with lower risk of mortality. Image credit: Honglin Mu.

Higher Olive Oil Intake Reduces Risk of Total and Cause-Specific Mortality, Study Says

Jan 12, 2022 by News Staff

Consuming more than 7 grams of olive oil per day is associated with lower risk of cardiovascular disease mortality, cancer mortality, neurodegenerative...

Kennedy et al. found that fetal gut colonization of healthy term infants does not occur before birth. Image credit: Darryl Leja, National Human Genome Research Institute, National Institutes of Health.

Animal Study Demonstrates How Triclosan Can Trigger Gut Inflammation

Jan 11, 2022 by News Staff

Scientists have identified bacteria and specific bacterial enzymes that trigger harmful effects of triclosan, an antimicrobial agent found in thousands...

This SEM image depicts a clump of yellow-colored, spheroid shaped Staphylococcus aureus bacteria that were enmeshed in a blue-colored, filamentous extracellular matrix, which normally binds cells together within the body’s various tissue types. Image credit: National Institute of Allergy and Infectious Diseases.

Drug-Resistant Staphylococcus aureus Appeared in Hedgehogs in Pre-Antibiotic Era, Study Shows

Jan 5, 2022 by News Staff

The discovery of antibiotics more than 80 years ago has led to considerable improvements in human and animal health. Although antibiotic resistance in...

Visualization of the motion of particles expelled from the mouth of the mannequin with inclination angles of 60° (a) and (b) and 120° (c) and (d); panels (a) and (c) display the average intensity of particle fluorescence, and panels (b) and (d) show the instantaneous particle distribution at three times; the white arrows mark the ejection direction of the particles; the nondimensional time interval in these figures corresponds to a physical time interval of 0.1 s. Image credit: Wang et al., doi: 10.1063/5.0073880.

Study: Coughing Downward Can Reduce Spread of Cough-Generated Droplets

Jan 5, 2022 by News Staff

Dr. Hongping Wang and his colleagues from the State Key Laboratory of Nonlinear Mechanics at the Institute of Mechanics of the Chinese Academy of Sciences...

Hirai et al. demonstrated that a high-sucrose diet during adolescence induces psychosis-related behavioral endophenotypes, including hyperactivity, poor working memory, impaired sensory gating, and disrupted interneuron function in mice deficient for GLO1, an enzyme involved in detoxification of sucrose metabolites. Image credit: Tokyo Metropolitan Institute of Medical Science.

High-Sucrose Diet during Adolescence May Contribute to Pathogenesis of Psychiatric Disorders

Dec 28, 2021 by Enrico de Lazaro

Using a mouse model, a team of researchers at the Tokyo Metropolitan Institute of Medical Science demonstrated that high-dietary sucrose consumption during...

Microscopic cysts containing Toxoplasma gondii develop in the tissues of many vertebrates. Here, in mouse brain tissue, thousands of bradyzoites (stained red) are enveloped by a thin parasite cyst wall. Image credit: Jitinder P. Dubey.

New Study Shows How Dormant Toxoplasma Parasites Manipulate Neurons to Survive

Dec 27, 2021 by News Staff

Toxoplasma gondii develops a latent infection in the muscle and central nervous system that acts as a reservoir for acute-stage reactivation in vulnerable...

Shin et al. provide evidence that dark chocolate consumption in everyday life influences physiological and psychological states. Image credit: Sci-News.com.

Daily Consumption of 85% Dark Chocolate May Improve Your Mood

Dec 22, 2021 by Sergio Prostak

New research by scientists from Seoul National University, Korea Food Research Institute and Chungnam National University suggests that dark chocolate...

Ivana Buric et al analyze how the behavior of our genes is affected by different MBIs including mindfulness and yoga. Image credit: Nato Pereira.

Meditation Enhances Immune System without Activating Inflammatory Signals, Study Says

Dec 16, 2021 by Enrico de Lazaro

Meditation is an effective behavioral intervention for treating various conditions associated with a weakened immune system, according to new research...

The copper magnified 500,000 times under a scanning electron microscope shows its tiny nano-scale pores. Image credit: RMIT University.

Novel Copper Surface Shows Exceptional Bactericidal Efficacy

Dec 14, 2021 by News Staff

A team of materials scientists from RMIT University and CSIRO has designed and fabricated a micro-nano copper structure and demonstrated its exceptional...

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