Articles tagged with Medical Tests
A new study reveals that visual intelligence is a separate entity from general intelligence (IQ), with considerable individual differences among people. Researchers developed a novel test to measure visual object recognition and found that performance on this task was not predictive of IQ.
Researchers have discovered a unique 'breathprint' of people with malaria, allowing for accurate diagnosis using a breath test. The analysis found that infected patients exhale a compound attracting mosquitoes, accelerating disease spread.
Researchers have created a simple, fast and sensitive test system to determine the toxicity of carbon nanomaterials. The system uses a unique enzymatic system called Enzymolum, which reacts differently to various additives.
A study by UC San Francisco and CDPH found that lead in imported candy was the top source of food-borne contamination in California, with nearly all cases coming from Mexico, China, and India. The testing program has identified lead sources upstream, allowing for removal before poisoning can occur.
A recent study found that cloth skullcaps are more effective than disposable bouffant hats in reducing airborne contamination in operating rooms. The researchers tested three types of headgear and observed lower particle counts and microbial shedding with cloth caps, suggesting they may be a better option for minimizing infection risk.
Researchers aim to detect synthetic opioids, heroin, and a heroin substitute in saliva samples from inmates, arrestees, and DUI suspects. This study could save time and money by using a single sample for multiple drug tests.
A study published in The Lancet Public Health found that federal drinking water regulations reduced toxic exposure and protected human health. Compliance with the EPA regulation led to a decline of 17% in levels of urinary arsenic, resulting in an estimated reduction of over 200 cases of lung and bladder cancer every year.
A recent study published in The Journals of Gerontology: Series A found that individuals who consumed more fruit, vegetables, and wholegrain cereals across their adult lives performed better in physical function tests at age 60-64. Improving diet quality throughout adulthood can have a significant beneficial effect on strength and phys...
Researchers developed a plan to eliminate unnecessary medical testing by providing educational efforts, auditing testing patterns, and harnessing electronic medical records. This initiative aims to reduce medical bills while improving patient outcomes, safety, and satisfaction.
The American Academy of Sleep Medicine (AASM) has released a position statement on home sleep apnea testing, emphasizing the importance of a physician's involvement in diagnosing and treating obstructive sleep apnea. The guideline outlines conditions under which a home sleep apnea test can be used for diagnosis.
A Kaiser Permanente study found that live phone calls are significantly more effective at reminding patients to complete and return at-home fecal screening tests for colon cancer. Phone calls outperformed other reminder strategies, including text messages and letters, especially among Spanish-speaking patients.
Scientists at ETH Zurich have developed a method to monitor lipolysis in real-time by analyzing exhaled acetone during exercise. The new breath test can detect when the body starts burning fat, allowing athletes to optimize their training regimen.
A new NIH-funded study finds that biomarkers for ovarian reserve do not predict fertility in older women attempting to conceive. Hormone levels linked to menopause onset were also found to have no association with conception rates.
Researchers at Rockefeller University have developed new smell tests that can detect olfactory disorders more reliably than conventional options. The tests aim to identify underlying causes of neurological disorders like Alzheimer's and Parkinson's diseases early on, potentially improving treatment outcomes.
A new test allows accurate, rapid testing for Salmonella, a leading cause of food-borne illness. The test detects the bacteria in environmental and clinical samples, reducing diagnosis time from five days to 24 hours.
A new test developed at Caltech can identify antibiotic-resistant bacteria in as little as 30 minutes, allowing doctors to choose the most effective antibiotics. The test has been proven accurate with a 95% match rate, and researchers hope to expand its use to other types of infections.
A long-term study of 3,000 adults found that those who couldn't identify four out of five common odors were more than twice as likely to develop dementia. The study's lead author notes that the sense of smell is closely connected with brain function and health.
New research reveals up to 40% of children with hearing loss have capacity for higher language levels, challenging current assessment methods. Therapists can recognize mismatches at young ages and intervene to bring children up to their ability.
The Vype ePen database presents comprehensive scientific test results, showing the product has a lower toxicity profile than traditional cigarettes. Clinical and population studies indicate efficient nicotine delivery, reducing harm and increasing quit rates.
Scientists have developed a rapid and sensitive fingerprint test to detect cocaine use, showing 99% effectiveness. The test uses paper spray mass spectrometry and can be completed in minutes.
Researchers at NIST create a rapid test that senses mechanical fluctuations of bacterial cells and detects response to antibiotics, potentially hastening effective medical treatment and limiting drug-resistant bacteria. The new technique can quickly determine whether an antibiotic combats a given infection.
Researchers at Yale University found that individualized diets based on food sensitivity testing significantly improved symptoms in patients with irritable bowel syndrome compared to a placebo. The study suggests that tailored dietary approaches may be a viable alternative to traditional treatments.
A new tablet-based technology uses video monitoring to detect atrial fibrillation (afib), a condition that affects over 3 million Americans. The system, which requires no user action, will be compared to the gold standard ECG patch in a clinical trial to determine its accuracy.
Researchers from RIKEN and University of Tokyo created ultra-thin photovoltaic devices coated with stretchable and waterproof films. The new device has shown strong energy efficiency, resistance to water, and durability under compression, opening the way for wearable solar cells.
Researchers have developed a 20-minute test to assess cognitive capacities of patients with schizophrenia, including short-term memory and organisational skills. The test, known as EPICOG-SCH, allows for improved daily functioning and can be easily administered by healthcare professionals.
A study at Children's National Hospital found that starting discharge education early, using a classroom setting and attuned communication improve parents' satisfaction with the NICU discharge process. The initiative boosted timely communication by 36% and improved satisfaction scores.
According to the Global Burden of Disease study, viral hepatitis causes over 1.34 million deaths worldwide, exceeding chronic infectious diseases like HIV/AIDS, malaria, and tuberculosis.
Resistance levels to cefixime and ciprofloxacin have decreased, while azithromycin resistance remains high. The dual therapy of ceftriaxone and azithromycin is still effective, but its use contributes to the rise in cephalosporin susceptibility.
Researchers at Michigan Technological University have developed test strips for cancer detection that can identify minute concentrations of biomarkers using nanoparticles. The new technology adds a thin skin of platinum to gold nanoparticles, making it easier to observe changes on the test strip and increasing accuracy.
The new 'science camera' system enables accurate measurements of optical absorption spectra of colored liquids or optically scattered spectra of solid objects. This technology has significant potential for developing countries where access to healthcare is limited.
Experts debate the value of an online screening test for depression, with some arguing it could prompt informed conversations with clinical professionals and provide potentially helpful resources. However, others express concerns about inadequate treatment resources and misuse of data, warning that unregulated screening may cause harm.
A new UBC study found that joining a running group can help individuals successfully quit smoking, with half of participants able to stop smoking after completing a 10-week program. Participants who stuck it out showed significant improvement in mental health and reduced their smoking habits.
Researchers from Johns Hopkins Medicine successfully transported medical samples 160+ miles using a drone, setting a new delivery distance record. The flight maintained temperature control, ensuring the samples were viable for laboratory analysis after landing.
A 67-year-old man developed cyanide poisoning after taking apricot kernel extract daily for five years, exceeding safe levels by 25 times. The case highlights the risks of consuming unregulated herbal supplements and the importance of proper medical evaluation.
A new research paper suggests that human cell- and computer-based test methods can help identify chemical respiratory allergens, which cause serious immune reactions. These methods have the potential to speed up testing, lower costs, and reduce animal testing.
Australian hospitals have adopted two new protocols for assessing chest pain, which were developed by Professor Louise Cullen and Professor William Parsonage. The Accelerated Diagnostic Protocol (ADP) was found to identify low-risk patients correctly, reducing emergency department length of stay from 292 minutes to 256 minutes. The IMP...
A new test invented by researchers at the University of Waterloo can detect E. coli in drinking water in under three hours and at a cost of 50 cents, improving water safety globally.
A study found that older adults with poor sense of smell are more likely to develop Parkinson's disease than those who perform better on the test. The researchers also found a stronger link between poor smell and disease in men, but not in women. The test could help identify people at greater risk up to six years before diagnosis.
A national survey of over 2,000 physicians finds that overtreatment is a leading driver of healthcare costs and wasteful spending. Physicians believe that at least 15-30% of medical care is unnecessary, with fear of malpractice being the primary cause.
Researchers have developed a new diagnostic software that can detect Parkinson's disease in its earliest stages, using readily available technologies. The tool records how a person draws a spiral and analyzes the data to calculate the severity of the condition with 93% accuracy.
A study published in Neurology found that a scratch-and-sniff test may predict Parkinson's disease up to six years before diagnosis. The test showed strong links between smell and disease risk for white participants, but weaker associations for black participants. Older men with poor sense of smell were more likely to develop the disease.
Researchers at Lancaster University developed a novel blood test to diagnose Alzheimer's disease with high accuracy. The test distinguishes between Alzheimer's and other neurodegenerative diseases, reducing misdiagnosis cases.
A team of materials designers led by Dynamic Research Inc. won the grand prize of $500,000 for developing a novel material with an unusual geometric structure that can absorb or mitigate force within helmets and other protective gear, reducing impact by over 70%. The winning entry has potential to support innovation and stimulate the m...
A team from the Technical University of Munich developed tests to assess fine motor skills in patients with hemiparesis after a stroke. The new methods identified three decisive factors: grip force control, motor coordination, and movement speed, predicting 69% of everyday deficits.
A study from MIT suggests that cervical mucus analysis can predict preterm births, potentially allowing doctors to intervene earlier. Researchers found significant differences in mucus permeability and adhesiveness between women who delivered prematurely and those who did not.
Two studies published in JAMA Network found that outreach interventions improved colorectal cancer screening completion rates among patients who were not up-to-date or nonadherent with CRC screening. The studies showed that fecal immunochemical test and colonoscopy outreach programs led to higher screening process completion rates comp...
A study found that only 2% of patients with suspected cancer were diagnosed using tumor markers, while most requests led to no diagnosis. The unnecessary tests cost over £95,000 over a year.
A new study found that at least 30-45% of athletes surveyed at top events acknowledged using banned doping techniques, while official biological tests only detected 0.5-3.6% of cases. The study used a randomized response method to ensure anonymity and honesty from respondents.
A study found that at least 30-45% of elite athletes admitted to using banned doping substances or methods in the previous year. Biological tests only detected doping in 1-3% of competitors, suggesting a higher true rate of doping.
A new app, BiliScreen, uses computer vision algorithms and machine learning to detect increased bilirubin levels in the eye, a potential early sign of pancreatic cancer. The app has been shown to correctly identify cases with an accuracy rate of 89.7%, offering a non-invasive and easy-to-use screening tool.
A new rapid diagnostic test has been shown to effectively distinguish between severe and uncomplicated malaria in children in Sub-Saharan Africa. The test was tested on 2,678 children with fever, resulting in a sensitivity and specificity of 97.6% for detecting severe malaria.
Nematodes, tiny worm-like organisms, have shown the ability to survive in dry conditions for up to three years, highlighting the need for improved detection methods. The study found that nematodes can infect plant hosts even after extended periods, emphasizing the importance of biosecurity measures.
A new infrared spectroscopy-based blood test may help diagnose ulcerative colitis more effectively and at a lower cost than current colonoscopy methods. Researchers identified nine absorption peaks in mouse blood samples that indicate the presence of the disease.
A collaborative project is underway to develop non-animal test methods to replace the Rabbit Vaginal Irritation test for personal lubricants. Human in vitro tissue models may be used as a replacement, reducing animal testing and promoting more accurate assessments of product safety.
The Blink Reflexometer device detects changes in blinking patterns to identify concussions and neurological disorders like Parkinson's, Huntington's, and schizophrenia. The technology aims to provide a portable, rugged, and fast aid for trainers to make objective calls about player safety.
Researchers found that individuals with difficulty identifying odors had elevated AD-related proteins in their cerebrospinal fluid. The study suggests a potential cheaper alternative for tracking the progression of Alzheimer's disease through simple smell tests.
A new test has been developed to differentiate between Lyme disease and Southern Tick-Associated Rash Illness (STARI) with an accuracy of up to 98 percent. This breakthrough offers improved early detection and diagnosis for Lyme disease, a vector-borne illness affecting the US.
Experts call for more transparent conversations with women to avoid unnecessary disease labelling. A broader definition of polycystic ovary syndrome may lead to 'fear and anxiety', highlighting the need for a slower approach to diagnosis.
A new chewing gum-based diagnostic test can detect inflammation in the oral cavity within five minutes, allowing for early diagnosis and treatment. The test uses bittering agents to identify inflammatory conditions, which can help prevent serious complications such as bone loss.
After stem cell therapy, tests like SPEP/SIFE and SFLCA may yield oligoclonal patterns that resemble the original monoclonal antibody spike. However, this is a normal response to treatment, not recurrence of the disease. The key clarifier lies in tracking the location of the malignant spike before and after treatment.