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Medical research news

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A 'gentle touch' molecule confers light tactile sensation in humans—and perhaps in individual cells

You were probably taught that we have five senses: sight, sound, smell, taste and touch. This is not quite right: "touch" is not a single sense, but rather several working together.

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Public health researcher discusses new push for abortion study retractions

A University of Maryland public health researcher joined scholars from institutions worldwide to call for the retraction of four studies purporting to show damaging psychological effects of abortion, including one submitted ...

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Cause of clogged hypodermic needles discovered

In very rare cases, the needles of prefilled syringes may become blocked. This can have potentially detrimental consequences for patients if their medication does not enter the body or the dosage is too low.

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How to make mRNA therapeutics safe from the start

The success of mRNA vaccines against COVID-19 has unleashed a flood of interest in using the technology to create more vaccines and treatments for everything from rare diseases and infections to cancer.

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Investigating the ethical landscape of brain organoid research

With advances in neuroscience and the development of new technologies, new ethical considerations have emerged. This is particularly true for human brain organoids, which are three-dimensional tissues grown from stem cells ...

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Skin aging: A synergy between cigarette smoke and sunlight

Combined exposure of the skin to cigarette smoke and UV rays could lead to faster premature aging, according to a study by Université Laval and the Centre de recherche du CHU de Québec-Université Laval.

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New study shows a role for cholesterol in pain perception

When you stub your toe or bump your head, you know that rubbing the injury can lessen the ouch. But how? New research from the lab of Scott B. Hansen, Ph.D., shows how physical pressure on cells can reduce pain signals, while ...

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New monoclonal antibody for treating cerebral ischemia injury

A research team from the LKS Faculty of Medicine at the University of Hong Kong (HKUMed) has successfully developed a neutralizing monoclonal antibody, 6H2, which targets a harmful protein known to exacerbate damage caused ...

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Biodiversity of gut bacteria is associated with sexual behavior

The human body is colonized by a variety of different microorganisms such as bacteria, yeasts and fungi. All these microbial co-inhabitants—known as the microbiome or microbiota—are important for our health: For example, ...

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Research examines chronic sinusitis

According to the National Institutes for Health, chronic sinusitis, also known as chronic rhinosinusitis (CRS), affects approximately 14.6% of the United States population and is currently the fifth most common condition ...

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Slouching isn't as bad for you as you might think

Often a posture assigned to teenagers and disaffected youth, slouching is traditionally considered to be a "bad" posture—with some claiming it will damage your spine and cause pain.

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New study pinpoints why some injured kidneys do not heal

Cedars-Sinai investigators have discovered why some injured kidneys heal while others develop scarring that can lead to kidney failure. Their findings, detailed in a paper published in Science, could lead to the development ...

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Developing standards for organ-on-a-chip research

When testing a new medicine, researchers must do more than assess how well that drug works. They also have to determine whether the medicine has some negative, unintended consequences.

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Closing the clinical trials disparity gap

Getting sufficient representation of racial and ethnic minority populations in clinical trials remains a pervasive challenge, despite concerted efforts by researchers and mandates set by funding sources and regulatory agencies. ...

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Using phages to eradicate Pseudomonas aeruginosa infections

A new study describes the use of phage therapy to eradicate multi-drug resistant Pseudomonas aeruginosa infections in a living organism (in vivo) with important new implications for antibiotic resistance.

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Red light can reduce blood glucose levels, says study

In a new study appearing in the Journal of Biophotonics, researchers have found that 670 nanometers (nm) of red light stimulated energy production within mitochondria, leading to increased consumption of glucose. In particular, ...

Medical research

Hyperbaric oxygen therapy tested for post-COVID conditions

Hyperbaric oxygen therapy—giving patients 100% oxygen at a pressure corresponding to 10–20 meters below sea level—has been around for almost 100 years. But the method lacks modern evidence from clinical studies, which ...

Medical research

Research may offer relief to migraine sufferers

Research from the University of Virginia School of Medicine could pave the way for new treatments to manage migraines and chronic pain in women, improving their quality of life. The work is published in The Journal of Pain.