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Medical research

Surgical, N95 masks block most particles, homemade cloth masks release their own

Laboratory tests of surgical and N95 masks by researchers at the University of California, Davis, show that they do cut down the amount of aerosolized particles emitted during breathing, talking and coughing. Tests of homemade ...

Diseases, Conditions, Syndromes

Adequate levels of vitamin D reduces complications, death among COVID-19 patients

Hospitalized COVID-19 patients who were vitamin D sufficient, with a blood level of 25-hydroxyvitamin D of at least 30 ng/mL (a measure of vitamin D status), had a significant decreased risk for adverse clinical outcomes ...

Diseases, Conditions, Syndromes

Ultrapotent antibody mix blocks COVID-19 virus attachment

A mix of ultrapotent antibodies from recovered COVID-19 patients has been shown to recognize and lock down the infection machinery of the pandemic coronavirus and keep it from entering cells. Each of the antibody types performs ...

Neuroscience

Hearing speech requires quiet— in more ways than one

Perceiving speech requires quieting certain types of brain cells, report a team of researchers from UConn Health and University of Rochester in an upcoming issue of the Journal of Neurophysiology. Their research reveals a ...

Neuroscience

Nerve cells let others 'listen in'

How many 'listeners' a nerve cell has in the brain is strictly regulated. This is shown by an international study led by the University College London and the universities of Bonn, Bordeaux and Milton Keynes (England). In ...

Neuroscience

Stem cells can repair Parkinson's-damaged circuits in mouse brains

The mature brain is infamously bad at repairing itself following damage like that caused by trauma or strokes, or from degenerative diseases like Parkinson's. Stem cells, which are endlessly adaptable, have offered the promise ...

Medical research

Type 1 diabetes from a beta cell's perspective

Type 1 diabetes is an autoimmune disease that occurs when T-cells in the immune system attack the body's own insulin-producing cells, called beta cells, in the pancreas. Usually diagnosed in children and young adults, type ...

Diseases, Conditions, Syndromes

'Scavenger' molecule may point to new atherosclerosis treatment

A small-molecule "scavenger" that reduces inflammation and formation of atherosclerotic plaque in blood vessels in mice potentially could lead to a new approach for treating atherosclerosis in humans, according to researchers ...

Diseases, Conditions, Syndromes

Do masks help boost COVID immunity?

Could the mask—already seen by many scientists as the most effective shield against COVID-19—have yet another benefit? Some researchers now believe that they expose wearers to smaller, less harmful doses of the disease ...

Psychology & Psychiatry

Study offers new details on pediatric mental health boarding

A Dartmouth-led study, published in the journal Pediatrics, offers new details about pediatric mental health boarding in emergency departments across the country, a problem that has steadily increased in the last 10 years ...

Oncology & Cancer

Women may conceive after ovarian tumors

Women receiving fertility-sparing surgery for treatment of borderline ovarian tumors were able to have children, a study from Karolinska Institutet in Sweden published in Fertility & Sterility shows. Natural fertility was ...