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An aqueous-based extract of turmeric (Curcuma longa) was more effective than placebo for knee pain but did not affect knee effusion-synovitis or cartilage composition. Image credit: Marina Pershina / CC0 1.0.

Turmeric Extract Improves Osteoarthritis Knee Pain, Study Says

Oct 5, 2020 by Enrico de Lazaro

In a new study led by the University of Tasmania, an aqueous-based extract of turmeric (Curcuma longa) improved knee pain versus placebo in patients with...

Eating 200 g of blueberries every day for a month can lead to an improvement in blood vessel function and a decrease in systolic blood pressure in healthy people. Image credit: Free-Photos.

Blueberry Compound Could Help Treat Inflammatory Bowel Disease

Sep 30, 2020 by News Staff

Pterostilbene, a resveratrol-related polyphenolic compound found in blueberries, has strong immunosuppressive properties, according to a study published...

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

New Research Illuminates Dominant Functions of Sleep and How They Change Through Our Lives

Sep 22, 2020 by News Staff

Before the age of 2 or 3 years, the human brain grows very rapidly and, during REM sleep, is busy building and strengthening synapses. After 2 or 3 years,...

This SEM image shows SARS-CoV-2 virions (red) produced by human airway epithelia. Image credit: Camille Ehre, doi: 10.1056/NEJMicm2023328.

Scientist Captures New Images of SARS-CoV-2-Infected Cells

Sep 14, 2020 by News Staff

A researcher at the University of North Carolina School of Medicine has generated scanning electron microscopy images showing startlingly high SARS-CoV-2...

Heavy smoking has a damaging effect on facial aging. Image credit: Jui Magicman.

Moderate Cannabis Use Has Adverse Effects on Cognitive Functioning, Study Suggests

Sep 7, 2020 by News Staff

Moderate adolescent cannabis use may have adverse effects on cognitive functioning, specifically verbal memory, that cannot be explained by familial factors,...

Immunization with ChAd-SARS-CoV-2-S induces both neutralizing antibody and antigen-specific CD8+ T cell responses. While a single intramuscular immunization of ChAd-SARS-CoV-2-S confers protection against SARS-CoV-2 infection and inflammation in the lungs, intranasal delivery of the vaccine induces mucosal immunity, provides superior protection, and possibly promotes sterilizing immunity, at least in mice that transiently or stably express the hACE2 receptor. Image credit: Hassan et al, doi: 10.1016/j.cell.2020.08.026.

Experimental Nasal Vaccine Protects Upper and Lower Respiratory Tracts against SARS-CoV-2

Aug 27, 2020 by News Staff

A single-dose intranasal vaccine called ChAd-SARS-CoV-2-S prevents SARS-CoV-2 infection in both the upper and lower respiratory tracts of mice, according...

Weekend recovery sleep doesn’t prevent weight gain or reduce insulin sensitivity. Image credit: Wok & Apix.

Long Napping Increases Risk of Cardiovascular Disease, Study Finds

Aug 26, 2020 by News Staff

Long napping over one hour per day is associated with increased risks of incident cardiovascular disease and all-cause mortality, according to a new meta-analysis...

Honey is more effective than usual care alternatives and avoids causing harm through antimicrobial resistance. Image credit: PollyDot.

Honey is More Effective than Usual Care Alternatives for Improving Respiratory Symptoms

Aug 21, 2020 by News Staff

Honey is more effective and less harmful than usual care for improving symptoms of upper respiratory tract infections, particularly cough frequency and...

Inner ear anatomy. Image credit: Medical Gallery of Blausen Medical 2014, doi: 10.15347/wjm/2014.010.

Opioid Use Can Cause Partial or Full Deafness, Says Study

Aug 18, 2020 by News Staff

Opioid receptors in the inner ear can cause partial or full hearing loss, according to new research from Rutgers New Jersey Medical School and New Jersey...

Krittanawong et al found that chocolate consumption (>1 time per week or >3.5 times per month) is associated with a reduced risk of coronary artery disease. Image credit: Sci-News.com.

Chocolate Helps Keep Heart’s Blood Vessels Healthy, Review Suggests

Jul 28, 2020 by Sergio Prostak

A new systematic review and meta-analysis of previous studies suggests that the consumption of chocolates at least once a week is associated with a reduction...

Conceptual illustrations of drawing on-skin electronics on paper using a 9B sketching pencil. Image credit: Xu et al, doi: 10.1073/pnas.2008422117.

Researchers Use Pencil to Draw Bioelectronic Devices on Human Skin

Jul 26, 2020 by News Staff

Scientists from the University of Missouri, the University of Illinois and Yale University have demonstrated that a combination of pencils and paper could...

Mühlemann et al show that the Vikings also suffered from smallpox. Image credit: Henrietta Elizabeth Marshall.

Diverse Strains of Smallpox Virus Were Widespread in Viking Age, New Study Shows

Jul 25, 2020 by News Staff

Smallpox, caused by the variola virus, is one of the most devastating human diseases. Smallpox killed millions of people but drove Edward Jenner’s invention...

This high-resolution scanning electron microscope image shows an unusual tube-like structural form that is less than 1/100th the width of a human hair in size found in the Martian meteorite ALH84001. Image credit: NASA.

Immune System of Humans, Other Mammals Could Struggle to Fight Extraterrestrial Microorganisms

Jul 23, 2020 by News Staff

In a new study published in the journal Microorganisms, a team of researchers from the UK, the Netherlands and Germany tested how mammalian immune cells...

Colorized scanning electron micrograph of a cell (green) infected with SARS-CoV-2 virus particles (purple), isolated from a patient sample. Image credit: NIAID.

Experimental Vaccine Induces Anti-SARS-CoV-2 Immune Responses in All Participants

Jul 17, 2020 by News Staff

Dr. Lisa Jackson of Kaiser Permanente Washington Health Research Institute in Seattle and colleagues conducted a first-in-human Phase 1 clinical trial...

Pickled capers were found to activate KCNQ channels important for normal human brain and heart activity. Image credit: Bo Abbott.

Eating Pickled Capers May Help Improve Brain and Heart Health

Jul 16, 2020 by News Staff

A duo of researchers from the School of Medicine at the University of California, Irvine has discovered that a compound commonly found in pickled capers,...

Retina ages faster than other organs, with a 70% ATP reduction over life and a significant decline in photoreceptor function. Image credit: Mario Rottonara.

Study: Staring at Deep Red Light Can Improve Naturally Declining Vision

Jul 7, 2020 by News Staff

Looking at 670-nm red light for three minutes a day can significantly improve cone color contrast sensitivity (the ability to detect colors) and rod sensitivity...

Welch et al show for the first time that far-UVC efficiently inactivates airborne aerosolized viruses. These fluorescent images show epithelial cells infected with H1N1; the viruses were exposed in aerosolized form in the irradiation chamber to doses of 0, 0.8, 1.3 or 2.0 mJ/cm2 of 222-nm far-UVC light; infected cells fluoresce green. Image credit: Welch et al, doi: 10.1038/s41598-018-21058-w.

Far-UVC Light Efficiently Inactivates Airborne Seasonal Coronaviruses

Jun 30, 2020 by News Staff

A team of scientists at Columbia University Irving Medical Center has demonstrated that low doses of 222-nm far ultraviolet C (far-UVC) light inactivate...

SARS-CoV-2 viruses visible on a cell with filopodia. Image credit: Elizabeth Fischer, Miscroscopy Unit NIH / NIAID.

SARS-CoV-2 Coronavirus Produces Long Tentacles in Infected Cells

Jun 29, 2020 by News Staff

Cells hijacked by SARS-CoV-2, a novel coronavirus that causes the COVID-19 disease, grow arm-like extensions, or filopodia, which may explain rapid viral...

Air Force Tech Sgt. Joseph Anthony, medical technician with the 911th Aeromedical Staging Squadron, administers a vaccination to a member of the U.S. Army Reserve’s 336 Engineering Company Command and Control, Chemical Radiological and Nuclear Response Enterprise Team at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, April 11, 2019. Image credit: Joshua J. Seybert, U.S. Air Force.

Live Attenuated Vaccines Could Protect against Most Severe COVID-19 Symptoms

Jun 22, 2020 by News Staff

Dr. Paul Fidel, Jr., from Louisiana State University Health – School of Dentistry and Professor Mairi Noverr from Tulane University School of Medicine...