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Category: biotech/medical

How beliefs about demons shape the experience of mental illness

For some evangelical Christians, attributing mental illness to demonic forces can offer a sense of meaning, while for others, it creates harmful barriers to medical care. A recent qualitative study published in Spirituality in Clinical Practice outlines how these widespread spiritual explanations act as a double-edged sword for individuals experiencing psychological distress. The research indicates that integrating religious beliefs with standard psychiatric care may be a safer path forward for many faith communities.

Religion frequently shapes how people interpret their physical and mental health. Psychologists recognize that religious frameworks offer a primary system for individuals to make sense of the world around them. By relying on theological teachings, people construct meaning around their personal suffering. This process of religious meaning construction can influence health outcomes in both positive and negative directions.

Within evangelical Christianity, foundational teachings often emphasize the active existence of spiritual forces. This includes the belief that angels, demons, and other supernatural entities directly influence the physical world. This worldview can lead to the belief that spiritual forces cause human ailments, including severe psychological distress.

Demon face syndrome: The science behind prosopometamorphopsia

Imagine looking at a loved one and seeing their face twist into a demonic, unnatural shape. Their eyes might stretch to the sides of their head, their nose might swell, and deep, unnatural grooves might appear across their cheeks and forehead. This terrifying visual experience belongs to a rare neurological condition known medically as

In popular media and online discussions, it is sometimes referred to as “demon face syndrome.” People with this condition see human faces as severely distorted, even though their vision for everyday objects remains completely normal.

Prosopometamorphopsia is fundamentally different from a hallucination. A hallucination involves seeing something that is not actually present in the physical world. People experiencing these facial distortions are looking at a real person standing in front of them. Their brain simply alters the shape, size, color, or position of the facial features before the image reaches their conscious awareness.

Engineers improve infrared devices using century-old materials

After decades of intense research, surprises in the realm of semiconductors—materials used in microchips to control electrical currents—are few and far between. But with a pair of published papers, materials engineers at Stanford University debut a promising approach to using a well-studied semiconductor to improve infrared light-emitting diodes and sensors. They say the approach could lead to smaller, sleeker, and less expensive infrared technologies for environmental, medical, and industrial uses.

“We taught an old dog new tricks,” said senior author Kunal Mukherjee, an assistant professor of materials science and engineering at the Stanford School of Engineering, putting the work’s importance in perspective. “The so-called IV–VI materials we’re working with—lead selenide and lead tin selenide—are more than a hundred years old. They are among the oldest semiconductors historically recorded. We found a way to integrate them with modern technology to produce a new type of infrared diode and to control the infrared light in important ways.”

The new diode emits infrared light in a desirable range of longer wavelengths (4,000–5,000 nanometers) good for sensing gas in the air (think greenhouse gases in the sky) or in medical settings (think carbon dioxide meters).

Zebrafish reveal new insights into the biology of autism

In recent decades, the zebrafish has become one of the most valuable model organisms in scientific research. For a variety of reasons, including their genetic similarities to humans, these tiny tropical fish have helped researchers unlock secrets to diseases ranging from muscular dystrophy to melanoma. Now, Yale researchers are hoping the zebrafish will do the same for autism spectrum disorder.

In a new study, a research team generated a database of 520 U.S. Food and Drug Administration (FDA)-approved drugs and their effects on basic larval zebrafish behaviors and then used the database to identify drug candidates that reverse disrupted behaviors in zebrafish carrying mutations in autism risk genes.

These drug candidates, the researchers say, might represent targets for people carrying mutations in specific autism risk genes.

Transcranial magnetic stimulation can target a deep brain region without surgery or medication

Neuroscientists at University of Iowa Health Care have demonstrated for the first time that noninvasive brain stimulation can alter the activity of a critical deep brain region involved in emotion and memory. Moreover, the study shows that personalizing the stimulation site using a patient’s unique brain connectivity pathway can increase the neuromodulation effect.

The study, published recently in Nature Communications, used innovative, concurrent brain stimulation and recording techniques in people to provide direct human evidence that noninvasive transcranial magnetic stimulation (TMS) can reliably engage and modulate activity in the hippocampus.

The hippocampus is a deep brain region that plays a critical role in multiple brain functions, such as memory and emotion. Problems with hippocampal function have been implicated in several neurological and neuropsychiatric conditions, including Alzheimer’s disease, depression, anxiety, and post-traumatic stress disorder (PTSD).

Oatk: a de novo assembly tool for complex plant organelle genomes

Plant organelle genomes, particularly large mitochondrial genomes with complex repeats, present significant challenges for assembly. The advent of long-read sequencing enables the assembly of complete genomes, but problems of resolving alternative structures remain. Here we introduce a novel tool that employs a syncmer-based assembler for rapid assembly graph construction, integrates a profile-HMM database for robust organelle identification, and leverages a new search method to find the best supported path through the assembly graph. We describe high-quality organelle assemblies for 195 plant species, demonstrating improvements over other methods, and providing multiple insights into structural complexity, heteroplasmy, and DNA exchange between organelles.

Association of White Matter Hyperintensities, Regional Brain Glucose Metabolism, and Cognitive Impairment in Aβ-Negative Patients

This study examined whether periventricular white matter hyperintensities relate to region-specific cortical hypometabolism and metabolism mediates domain-specific cognition in Aβ-negative individuals.

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Expert in Anti-Aging Dr. Ronald Klatz Discusses Chronic Disease — Redefining Medicine

Today’s episode on Redefining Medicine features Ronald Klatz, MD, DO. As Founder and President of the American Academy of Anti-Aging Medicine, and leading authority in the field of anti-aging, Dr. Klatz has helped pioneer the exploration of new therapies and treatments for the prevention of chronic disease, and other disorders associated with aging. Dr. Klatz has also been instrumental in founding the National Academy of Sports Medicine, and continues to provide oversight for continuing medical education programs, activities, and publications. #antiaging #regenerativemedicine #wellness #sportsmedicine #Innovation #wellness #functionalmedicine

Cytomegalovirus Drives the Development of Cytotoxic CD4+ T Cells in Patients With Multiple Sclerosis

Background and ObjectivesChronic immune activation is a hallmark of latent viral infections and autoimmune disorders, profoundly shaping immune cell phenotypes, including CD4+ cytotoxic T lymphocytes (CD4 CTL). The mechanisms underlying CD4 CTL…

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