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Children’s immune response more effective against COVID-19

Mother and child in medical office, concept (stock image). Credit: © famveldman / stock.adobe.com Children and adults exhibit distinct immune system responses to infection by the virus that causes COVID-19, a finding that helps explain why COVID-19 outcomes tend to be much worse in adults, researchers from Yale and Albert Einstein College of Medicine report…

Non-profit’s $300 hepatitis C cure as effective as $84,000 alternative

An affordable hepatitis C treatment has been shown to be safe and effective, with very high cure rates for patients including hard-to-treat cases, in...

Gruesome case of flesh-eating bacteria has beach city anxious, skeptical

Authorities and vacationers in Myrtle Beach, South Carolina, are waiting anxiously for more information on a case of flesh-eating bacteria that struck a Lumberton,...

Boosting These Immune Cells Could Fight Allergies

Type 1 regulatory (Tr1) cells are a type of regulatory immune cell that help suppress immune responses, including inflammation and tissue damage, but very...

Study finds ‘nomophobia’ is associated with poor sleep health in college...

Person using smart phone in bed concept (stock image). Credit: © Proxima Studio / stock.adobe.com A new study found that the fear of being out of mobile phone contact -- "nomophobia" -- is extremely common among college students and is associated with poor sleep health. Preliminary results show that 89% of a sample of college…

Antiviral used to treat cat coronavirus also works against SARS-CoV-2

Cat in animal hospital concept (stock image). Credit: © Elnur / stock.adobe.com Researchers at the University of Alberta are preparing to launch clinical trials of a drug used to cure a deadly disease caused by a coronavirus in cats that they expect will also be effective as a treatment for humans against COVID-19. "In just…

COVID-19 less deadly and causes milder symptoms in children, UK study...

Child with face mask (stock image). Credit: © skif / stock.adobe.com Children and teenagers are less likely than adults to develop severe Covid-19 or die from the disease, according to the world's largest study of hospital patients with Covid-19. Obesity, Black ethnicity and being under one month old are factors that increased the risk of…

Got fatigue? Study further pinpoints brain regions that may control it

Fatigue concept, woman at desk (stock image). Credit: © kite_rin / stock.adobe.com Scientists at Johns Hopkins Medicine using MRI scans and computer modeling say they have further pinpointed areas of the human brain that regulate efforts to deal with fatigue. The findings, they say, could advance the development of behavioral and other strategies that increase…

Seasonal flu vaccinations don’t ‘stick’ long-term in bone marrow

Vaccine injection photo concept (stock image). Credit: © terovesalainen / stock.adobe.com A study from Emory Vaccine Center provides insights into why the boost in immunity from seasonal flu vaccination lasts for months but not years, unlike some childhood vaccinations. The home base for immune cells that produce antibodies is the bone marrow. Seasonal flu vaccination…

Loss of a specific enzyme boosts fat metabolism and exercise endurance...

Mouse on exercise wheel (stock image). Credit: © Emilia Stasiak / stock.adobe.com Sugars and fats are the primary fuels that power every cell, tissue and organ. For most cells, sugar is the energy source of choice, but when nutrients are scarce, such as during starvation or extreme exertion, cells will switch to breaking down fats…

Researchers discover the microbiome’s role in attacking cancerous tumors

Gut bacteria illustration (stock image). Credit: © nobeastsofierce / stock.adobe.com Researchers with the Snyder Institute for Chronic Diseases at the Cumming School of Medicine (CSM) have discovered which gut bacteria help our immune system battle cancerous tumours and how they do it. The discovery may provide a new understanding of why immunotherapy, a treatment for…

‘AeroNabs’ promise powerful, inhalable protection against COVID-19

Coronavirus illustration (stock image). Credit: © anthony / stock.adobe.com As the world awaits vaccines to bring the COVID-19 pandemic under control, UC San Francisco scientists have devised a novel approach to halting the spread of SARS-CoV-2, the virus that causes the disease. Led by UCSF graduate student Michael Schoof, a team of researchers engineered a…

Ancient part of immune system may underpin severe COVID

Coronavirus concept illustration (stock image). Credit: © pinkeyes / stock.adobe.com One of the immune system's oldest branches, called complement, may be influencing the severity of COVID disease, according to a new study from researchers at Columbia University Irving Medical Center. Among other findings linking complement to COVID, the researchers found that people with age-related macular…

How human sperm really swim: New research challenges centuries-old assumption

Illustration of sperm swimming to egg cell (stock image). Credit: © koya979 / stock.adobe.com A breakthrough in fertility science by researchers from Bristol and Mexico has shattered the universally accepted view of how sperm 'swim'. More than three hundred years after Antonie van Leeuwenhoek used one of the earliest microscopes to describe human sperm as…

New blood test shows great promise in the diagnosis of Alzheimer’s...

Alzheimer's blood test, photo concept (stock image). Credit: © felipecaparros / stock.adobe.com A new blood test demonstrated remarkable promise in discriminating between persons with and without Alzheimer's disease and in persons at known genetic risk may be able to detect the disease as early as 20 years before the onset of cognitive impairment, according to…

How COVID-19 causes smell loss

Coronavirus illustration (stock image). Credit: © Production Perig / stock.adobe.com Temporary loss of smell, or anosmia, is the main neurological symptom and one of the earliest and most commonly reported indicators of COVID-19. Studies suggest it better predicts the disease than other well-known symptoms such as fever and cough, but the underlying mechanisms for loss…

New model connects respiratory droplet physics with spread of Covid-19

Woman sneezing, concept photo (stock image). Credit: © marchsirawit / stock.adobe.com Respiratory droplets from a cough or sneeze travel farther and last longer in humid, cold climates than in hot, dry ones, according to a study on droplet physics by an international team of engineers. The researchers incorporated this understanding of the impact of environmental…

The hair-raising reason for goosebumps

Goosebumps, concept photo (stock image). Credit: © Tunatura / stock.adobe.com If you've ever wondered why we get goosebumps, you're in good company -- so did Charles Darwin, who mused about them in his writings on evolution. Goosebumps might protect animals with thick fur from the cold, but we humans don't seem to benefit from the…

Researchers convert female mosquitoes to nonbiting males with implications for mosquito...

Mosquito biting skin (stock image). Credit: © tacio philip / stock.adobe.com Virginia Tech researchers have proven that a single gene can convert female Aedes aegypti mosquitoes into fertile male mosquitoes and identified a gene needed for male mosquito flight. Male mosquitoes do not bite and are unable to transmit pathogens to humans. Female mosquitoes, on…

Experimental COVID-19 vaccine safe, generates immune response

Coronavirus vaccine photo concept (stock image). Credit: © myskin / stock.adobe.com An investigational vaccine, mRNA-1273, designed to protect against SARS-CoV-2, the virus that causes coronavirus disease 2019 (COVID-19), was generally well tolerated and prompted neutralizing antibody activity in healthy adults, according to interim results published online today in the New England Journal of Medicine. The…

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