https://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Researchers have developed a new microscopy method that uses a magnetic field and polarized light to provide quantitative measurements that could enable faster and more objective detection of malaria in blood. Malaria, caused by Plasmodium parasites transmitted by mosquitoes, infects over 200 million people around the world each year, causing more than 600,000 deaths. Faster, more objective detection methods are needed to improve diagnosis, guide treatment, and enable large-scale screening, especially in low-resource settings. https://medicalxpress.com/news/2026-04-malaria-magnets-polarized-door-faster.html Tue, 21 Apr 2026 12:20:04 EDT news695992081 Researchers have developed a new way to recognize human emotions by combining fiber-based physiological signals with thermal images of the face. The portable emotional recognition system could eventually be used to support at-home mental health monitoring, improve driver safety and make technology more responsive to human emotions. https://medicalxpress.com/news/2026-03-complex-emotions-combining-multiple-optical.html Fri, 06 Mar 2026 17:00:05 EST news692025301 Researchers have developed a new artificial intelligence-based approach for detecting fatty deposits inside coronary arteries using optical coherence tomography (OCT) images. Because these lipid-rich plaques are strongly linked to serious cardiac events such as heart attacks, the method could eventually help doctors spot dangerous plaques before they rupture and cause damage. https://medicalxpress.com/news/2026-02-combining-ai-optical-coherence-tomography.html Wed, 11 Feb 2026 16:33:40 EST news690049982 Scientists in Scotland have shown that a type of laser already similar to the one currently used in routine eye surgery could one day help surgeons remove unwanted tissues, such as tumors, with unprecedented accuracy. https://medicalxpress.com/news/2026-01-eye-surgery-laser-scientists.html Sun, 25 Jan 2026 10:30:02 EST news688300081 Researchers have built a tiny, lightweight microscope that captures neuron activity with unprecedented speed that can be used in freely moving animals. The new tool could give scientists a more complete view of how brain cells process information during natural behavior. https://medicalxpress.com/news/2025-12-miniature-microscope-captures-real-voltage.html Fri, 05 Dec 2025 12:40:22 EST news684160802 Artificial intelligence has exploded in popularity in recent years, and many proponents are excited about its potential uses in medicine: for example, processing samples quickly or identifying markers of disease that may be missed by the human eye. However, is applying AI always the best option? https://medicalxpress.com/news/2025-11-good-isnt-ai-method-medical.html Tue, 18 Nov 2025 16:27:04 EST news682705621 Health care workers in emergency departments (EDs) face frequent violence from agitated patients, according to a study published in Academic Emergency Medicine (AEM). https://medicalxpress.com/news/2025-09-highlights-prevalence-violence-health-workers.html Thu, 25 Sep 2025 09:30:01 EDT news678010099 In a new mouse study, researchers have used optical coherence tomography (OCT) to uncover new insights into how the fallopian tube transports preimplantation embryos toward the uterus for pregnancy. These findings help lay the foundation for understanding certain causes of infertility and pregnancy complications in people. https://medicalxpress.com/news/2025-07-optical-coherence-tomography-uncover-fallopian.html Tue, 15 Jul 2025 10:00:07 EDT news671729105 Each year, more than 30 million people globally receive surgery to correct cataracts. As many people age, the crystalline lenses in their eyes become cloudy and obstruct their vision, but a simple and safe form of surgery where the crystalline lens is replaced with an artificial lens—known as an intraocular lens—can restore clarity and lead to a vast improvement in quality of life. https://medicalxpress.com/news/2025-07-intraocular-lens-vision-cataract-presbyopia.html Mon, 14 Jul 2025 12:40:08 EDT news671715378 Researchers have shown, for the first time, that speckle contrast optical spectroscopy (SCOS) can be used for cuffless blood pressure monitoring. The new technology could improve early detection and management of hypertension. https://medicalxpress.com/news/2025-07-major-cuff-free-blood-pressure.html Wed, 02 Jul 2025 16:04:00 EDT news670691034 Researchers have developed a new software tool that provides unprecedented capabilities to see inside 3D images. Its interactive, dynamic cutaway views allowed them to analyze never-before-seen dynamics of embryonic mouse heart development using optical coherence tomography (OCT) images. https://medicalxpress.com/news/2025-01-software-tool-view-complex-3d.html Mon, 13 Jan 2025 09:09:04 EST news655981741 Researchers have successfully integrated a megahertz-speed optical coherence tomography (MHz-OCT) system into a commercially available neurosurgical microscope and demonstrated its clinical usefulness. This advancement represents an important step toward developing an OCT instrument that could be used to identify tumor margins during brain surgery. https://medicalxpress.com/news/2024-10-fast-optical-coherence-tomography-neurosurgical.html Tue, 01 Oct 2024 09:45:22 EDT news646994718 When physicians want to know more about a patient's risk of cardiovascular disease, they can order a cardiac stress test. But when it comes to risk of stroke, there is no equivalent scalable and cost-effective test of the brain's function to help physicians counsel patients on their potential risk. A questionnaire that asks patients about contributing risk factors is currently the best tool for estimating such risk. https://medicalxpress.com/news/2024-09-device-portable-method-differentiating-based.html Mon, 30 Sep 2024 09:00:01 EDT news646905179 Researchers have developed a new catheter-based device that combines two powerful optical techniques to image the dangerous plaques that can build up inside the arteries that supply blood to the heart. By providing new details about plaque, the device could help clinicians and researchers improve treatments for preventing heart attacks and strokes. https://medicalxpress.com/news/2024-03-cardiovascular-imaging-approach-view-dangerous.html Tue, 05 Mar 2024 15:46:04 EST news628875961 Researchers have developed a wearable optical device for early detection of hemorrhage during labor or after childbirth. This serious heavy bleeding can be hard to detect before it becomes an emergency and accounts for almost 30% of maternal deaths globally and just over 10% of maternal deaths in the United States. https://medicalxpress.com/news/2023-09-wearable-optical-device-postpartum-hemorrhage.html Thu, 21 Sep 2023 17:00:04 EDT news614534401 The liver produces bile, which the intestine uses for digestion. For the transport of bile, the liver relies on a network of microscopic tubings, known as bile canaliculi, formed by liver cells called hepatocytes. When the outflow of bile to the intestine is blocked, it collects in the liver and can lead to serious liver disease. https://medicalxpress.com/news/2023-09-pressure-biliary-tissue-liver.html Wed, 06 Sep 2023 14:21:49 EDT news613228906 Our pancreas has different cells that do important jobs to control our blood sugar. One of the genes in pancreatic cells is called Neurogenin 3 (NEUROG3). Its mutation can lead to diabetes. It is active only for a short period of time during the development of the pancreas, which is why its behavior and dynamics have remained a mystery, especially in the context of human development. https://medicalxpress.com/news/2023-08-imaging-genetic-gain-insights-pancreas.html Thu, 31 Aug 2023 12:01:04 EDT news612702061 In a world-first, 3D holographic images of an embryo have been developed as part of a collaborative research project between the University of Adelaide and University of St Andrews. The images are created using miniscule amounts of light in a fraction of a second. https://medicalxpress.com/news/2023-07-holograms-embryos-ivf-success.html Wed, 05 Jul 2023 11:26:03 EDT news607775161 With an aging global population comes a need for new sensor technologies that can help clinicians and caregivers remotely monitor a person's health. New smart pants based on fiber optic sensors could help by offering a nonintrusive way to track a person's movements and issue alerts if there are signs of distress. https://medicalxpress.com/news/2023-06-fiber-optic-smart-pants-low-cost.html Tue, 27 Jun 2023 16:44:47 EDT news607103080 Spring brings with it the joy of baseball, but too much of a good thing can lead to elbow injuries in young pitchers. https://medicalxpress.com/news/2023-04-baseball-season-ucl.html Wed, 12 Apr 2023 14:34:03 EDT news600528841 Researchers have developed a neural network model that uses terahertz time-domain spectroscopy (THz-TDS) data for non-invasive burn assessment. They combined the new approach with a handheld imaging device that they developed specifically for fast THz-TDS imaging of burn injuries. https://medicalxpress.com/news/2023-01-non-invasive-method-injuries.html Mon, 30 Jan 2023 12:44:51 EST news594305084 Monitoring the proper blood supply to the brain is crucial, not only to prevent neurological diseases, but also to treat them. The parallel near-infrared interferometric spectroscopy technique, or simply πNIRS, could make life easier for doctors and patients worldwide. https://medicalxpress.com/news/2023-01-blood-brainthe-nirs-techniquecould-revolutionize.html Mon, 09 Jan 2023 16:07:30 EST news592502843 Diabetes, which affects millions of people worldwide, develops when the body either generates insufficient amounts of the hormone insulin– a hormone that maintains healthy blood sugar—or when the body cannot effectively use the insulin it produces. https://medicalxpress.com/news/2022-11-beta-cell-gene-implications-future.html Wed, 02 Nov 2022 10:59:59 EDT news586605594 Zebrafish have been widely used in developmental biology, immunology, neurobiology, and drug screening, showing significant superiority in large-scale heterogeneous studies of development and drug effects due to their small size, short life cycle, high fecundity, and low cost. However, practical experiment processes rely heavily on hand manipulation and imaging under traditional microscopes with large workloads but very low efficiency, which limits the use of zebrafish in large-scale analysis. https://medicalxpress.com/news/2022-10-high-throughput-zebrafish-3d-imaging-heterogeneous.html Tue, 18 Oct 2022 12:20:18 EDT news585314413 In the early days of the COVID-19 pandemic, many people first learned about a small medical device called a pulse oximeter. The device clips onto the fingertip and within seconds, measures the oxygen level in a person's blood. Pulse oximeters grew in popularity during the pandemic as more people became interested in monitoring themselves for a drop in oxygen levels, a symptom of COVID-19 that warrants immediate medical attention. https://medicalxpress.com/news/2022-10-solution-skin-deep-problem-blood-oxygen.html Fri, 14 Oct 2022 11:18:05 EDT news584965082 Researchers have developed a low-cost, simple imaging system that uses tumor-targeting fluorescent molecules to determine the depth of tumor cells in the body. The portable system could eventually help surgeons distinguish between healthy and cancerous tissue with higher precision when removing a tumor. https://medicalxpress.com/news/2022-10-fluorescence-imaging-groundwork-tumor.html Thu, 06 Oct 2022 14:13:04 EDT news584284382 Researchers have created a photoacoustic imaging endoscope probe that can fit inside a medical needle with an inner diameter of just 0.6 millimeters. Photoacoustic imaging, which combines light and sound to create 3D images, can provide important clinical information, but until now the instruments have been either too bulky or too slow for practical use as forward-viewing endoscopes. https://medicalxpress.com/news/2022-07-photoacoustic-endoscope-needle.html Wed, 27 Jul 2022 15:40:12 EDT news578155208 Researchers have developed a new artificial intelligence (AI) method that can automatically detect plaque erosion in the heart's arteries using optical coherence tomography (OCT) images. Monitoring plaque in the arteries is important because when plaque breaks apart it can block blood flow to the heart, leading to a heart attack or other serious conditions. https://medicalxpress.com/news/2022-06-ai-based-image-analysis-automatically-heart.html Thu, 16 Jun 2022 13:51:04 EDT news574606261 Can non-functioning photoreceptors be detected like dead pixels on a camera sensor? Until now this has not been possible, but a new technique will allow fast and non-invasive assessment of the physiological state of the retina. This could be a real breakthrough in the treatment of eye diseases. https://medicalxpress.com/news/2022-05-photoreceptors-functioning-properly-breakthrough-technique.html Tue, 24 May 2022 14:27:16 EDT news572621231 Researchers have developed a new endoscope that combines ultrasound with optical coherence tomography (OCT) to assess structural features of the lining of the uterus, called the endometrium, in unprecedented detail. The new probe could one day help doctors diagnose infertility problems that are related to endometrial receptivity with greater accuracy than current imaging technologies while reducing the need for invasive biopsies. https://medicalxpress.com/news/2022-04-dual-mode-endoscope-unprecedented-insights-uterine.html Tue, 05 Apr 2022 09:35:22 EDT news568370116