Articles tagged with Poisons
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Researchers have developed a new test that uses microbes to determine the age of termite droppings, allowing for rapid on-site infestation assessments. The study found that the amount of DNA from E. coli bacteria in the pellets decreases significantly over time, with a nearly 190-fold drop by the 12-month mark.
A recent study at the University of Gothenburg discovered that two medications, cholestyramine and colesevelam, can rapidly eliminate perfluoroalkyl substances (PFAS) from the body. The findings suggest a potential therapeutic application for these medicines in reducing PFAS levels.
A new broad-spectrum antivenom developed by DTU researchers covers 17 African snake species and provides better protection against tissue damage, with a lower risk of immune reactions. The antivenom has shown impressive results in laboratory studies and could revolutionize the treatment of venomous snakebites in Africa.
Researchers used boron isotope fingerprinting to study how boron moves within dissolving glass. They found that diffusion through an altered surface layer becomes a key mechanism controlling the release of boron from glass over time.
Research reveals an increase in emergency calls for pediatric opioid exposure among middle-school aged children, with a national trend of rising calls from 255 in 2019 to 553 in 2023. Teenagers showed a decline after 2022. Demographics varied by age group, with females outnumbering males in the middle school age group.
A study published in Pediatrics reveals a sharp surge in nicotine pouch ingestions among young children, with a 763% increase in rate of reported cases between 2020 and 2023. The ingestion rates for other nicotine products declined during the same period.
A study found that psilocybin use increased nationwide since 2019, particularly among young adults and older adults with conditions like depression and anxiety. The researchers urge better education, tracking, and health system preparedness as poison center calls rise.
Researchers detected widespread contamination of retail chicken meat in Bangladesh with antibiotic-resistant E. albertii, a lesser-known but deadly pathogen. The study highlights the need for improved hygiene measures and stricter regulations to prevent foodborne infections.
A study found 3,196 poisoning events in European raptors, with scavenging birds disproportionately affected by carbofuran and aldicarb. The most commonly poisoned species was the Eurasian Buzzard, highlighting the need for targeted conservation efforts.
Researchers developed a new ultrafine platinum-based high-entropy alloy octahedra catalyst that enhances methanol oxidation reaction activity and durability. The senary alloy outperformed ternary alloys and commercial platinum-on-carbon catalysts in terms of performance, offering a promising advance for direct methanol fuel cells.
Researchers have discovered a protein called MdfA that enables bacteria to shut down into dormant spores under extreme conditions. This process allows bacteria to survive in uninhabitable places and evade hospital cleaning, making them potentially deadly superbugs.
Fentanyl poisoning among US children has surged by 924% and 1,506% for teens aged 13-19 over the past eight years. Parents are advised to be vigilant about hidden fentanyl risks and know the signs of overdose symptoms to save their children.
New research from Edith Cowan University found that five native marsupial carnivores tested positive for anticoagulant rodenticides, with 21% having multiple compounds in their blood stream. The study highlights the potential risks of these poisons to endangered species.
A study of US poison center calls reveals a significant rise in caffeine energy product exposures among children and adolescents, with powdered caffeine exposures skyrocketing by 633%. Most exposures were unintentional and occurred in children under 6 years old.
Mortality trends among US adults ages 25-44 have increased significantly between 2011 and 2023, with excess mortality remaining higher than expected post-pandemic. Drug poisoning was a major contributor to the largest portion of 2023 excess mortality.
A longitudinal cohort study found that state cannabis legalization is associated with increased cannabis use disorder and poisoning diagnoses. Communities with increased access to cannabis may experience increased healthcare use and costs due to these rising diagnoses.
Researchers discovered that serine inhibits the cell wall remodeling necessary for Clostridium perfringens to form spores, preventing food poisoning. The study provides insights into the underlying mechanism of spore formation and may lead to new strategies for preventing foodborne illnesses.
A new paper reveals widespread transnational human rights violations (THRVs) due to repressive states' intensifying tactics. The authors urge the establishment of 'Transnational Rights Protection Offices' to provide support and guidance for individuals affected by these actions.
Low-level lead poisoning is a major risk factor for cardiovascular disease in adults and cognitive deficits in children, even at levels previously thought to be safe. Exposure to lead can result in an annual loss of 765 million IQ points in children globally.
Muscarine is stored as a phosphorylated precursor and only released when mushrooms are injured, increasing the danger of certain types of fungi.
The number of seizures in US children due to medication or substance exposure has more than doubled between 2009 and 2023. The main culprits are over-the-counter antihistamines, prescription antidepressants, painkillers, and synthetic cannabinoids.
A study by Rutgers Health researchers found that unintentional opioid exposure in children primarily occurs at home, with over 91% of cases involving a child's home. The study highlights the need for proper medication storage and disposal, especially involving grandparents' medications and pet medications.
A new study from Cornell University and the New York State Department of Environmental Conservation reveals bald eagles are most vulnerable to lead poisoning from bullet fragments, with many species at risk due to scavenging deer carcasses. The researchers used bald eagles as a bioindicator for ongoing monitoring of lead hazards.
Vultures, like young humans, explore new sites and socialize frequently when they're young. However, as they age from around 10 years old, they scale back on socializing and prefer to stay at the same roosting site, similar to humans who tend to stay home.
A team of researchers used spectroscopic techniques to detect toxic metals in Victorian-era book covers, finding some volumes contain high levels of lead and chromium that could pose a health risk. The study aims to raise awareness about safe handling and conservation of these books among librarians and collectors.
A qualitative study highlights the dangers of unregulated online semaglutide sales, with vendors shipping falsified products. The US has seen a 1500% increase in semaglutide-related calls to poison centers, underscoring the need for enhanced pharmacovigilance.
The number of calls to US poison centers has increased sharply, with a 233.9% rise in intentional exposures among adults. The severity of unintentional exposures also increased, with 37.4% more cases resulting in severe harm and 65.3% more deaths.
Drug-involved infant deaths in the US increased by 120% from 10.8% in 2018 to 24.4% in 2022, with the highest proportion occurring in 2021. The most common causes of death were assault, poisoning, and psychostimulants.
Researchers at the University of California - Riverside have discovered a highly effective and nontoxic way to kill western drywood termites using a pleasant-smelling chemical called pinene. The method involves releasing the scent of pinene, which attracts termites and guides them to a spot where insecticide is injected into wood.
Scientists have found an effective treatment for spitting cobra snakebites by blocking one of the major dermonecrosis-causing toxins with varespladib. The study suggests that this repurposed drug can prevent tissue damage and may become a valuable treatment against black-necked and red spitting cobra venoms.
A new study conducted by researchers at Nationwide Children's Hospital found increases in exposures to delta-8 THC, delta-10 THC, and THC-O acetate among young children, teens, and adults. The study highlights the importance of safe storage practices and improved regulation of these products.
Researchers have decoded the multiple oxidation processes at the platinum-electrolyte interface in high-temperature PEM fuel cells using tender X-ray studies. The results show that variations in humidity can influence some of these processes to increase the lifetime and efficiency of fuel cells.
The Oregon Poison Center has seen a dramatic increase in cases of young children exposed to fentanyl, with 539 cases managed in 2023, a 449% increase from 2016. The majority of exposures occurred at home, highlighting the need for education and awareness about preventing unintentional pediatric drug exposures.
Calls to US poison centers involving psilocybin among teens and young adults tripled and doubled, respectively, after decriminalization, leading to alarming concern over potential long-term consequences. Most calls involved intentional consumption, with adverse reactions including hallucinations, agitation, and heart rate issues.
Researchers have gained decisive insights into treating bloodstream infections with Staphylococcus aureus, finding that early oral antibiotic therapy is as effective and safe as intravenous standard treatment. This approach enables easier treatment and faster discharge for patients at low risk of developing infectious complications.
Researchers discover antibody-dependent enhancement of toxicity (ADET), a phenomenon where antibodies can amplify venom's potency. The breakthrough contributes to expediting the development of a new generation of antivenom, potentially saving millions from snakebites yearly.
A Brazilian study found that incomplete notification of snakebites and underreporting hinder public health actions. Researchers advocate for training health workers to recognize ophidic accidents and complete notification forms correctly.
Researchers found that female Taricha newts produce higher levels of tetrodotoxin, a deadly neurotoxin, than males. This discovery suggests the toxin may serve as a signal for mate selection and survival.
New study reveals that microtubule poisons effectively treat cancer by causing abnormal cell division, leading to tumor cell death. The findings contradict decades-long assumptions about the mechanism of action of these drugs.
Researchers at UC Riverside successfully engineered a plant to turn beet red in the presence of a banned pesticide, enabling an environmental sensor without damaging its native metabolism. This breakthrough opens up possibilities for detecting other toxic substances like drugs and birth control pills in water supply.
A new study found that only one out of four recommended screening tools for sepsis is reliable, with NEWS-2 accurately predicting 72.2% of all sepsis cases. The study also highlights the need for better awareness and more frequent use of effective screening tools to improve early sepsis recognition and survival rates.
A recent UTSA study reveals that 51% of Texas owls have high levels of anticoagulant rodenticides in their systems. The research team recommends using natural methods to control rodents and increasing awareness of the effects on non-target wildlife.
The study provides a comprehensive framework for diagnosing and treating acetaminophen poisoning, emphasizing the importance of early detection and aggressive management. Key findings include the need for prompt assessment and treatment with activated charcoal and N-acetylcysteine, as well as the role of monitoring liver function tests.
A new meta-analysis published in Addiction journal found that cannabis legalisation is associated with increased rates of cannabis poisoning. The risk of poisoning was higher among studies focused on children, who are particularly vulnerable to severe toxicity, including coma and neurological effects.
A recent study by Tufts Wildlife Clinic found that approximately 30% of hawks and owls were positive for exposure to neurotoxic rodenticide bromethalin. This discovery expands upon the previous research on anticoagulant rodenticides, which showed that all red-tailed hawks tested were positive for ARs.
A new study published in Wildlife Society Bulletin reveals that lead exposure from hunting ammunition is sickening and killing bald eagles, making them more susceptible to other dangers. The research, funded by Morris Animal Foundation, used innovative modeling tools to demonstrate the impact of lead poisoning on eagle populations.
Death rates due to unintentional poisonings and firearm homicides rose substantially in the US from 1999 to 2020, highlighting a pressing public health concern. The study's findings underscore the urgent need for targeted interventions to address this alarming trend.
Researchers developed AEGIS, the first technique to detect backdoor attacks in robust machine learning models. It improves the trustworthiness of artificial intelligence by analyzing robust models and detecting mixed input distributions for poisoned classes.
Health experts at Rutgers University warn that fentanyl can be used for mass poisoning due to its high toxicity and widespread availability. The paper proposes training more caregivers to recognize signs of fentanyl poisoning and administering naloxone early to prevent harm.
Current measures to protect grasslands in the Qinghai-Tibetan Plateau are damaging the ecosystem and should be stopped. Small burrowing mammals, like the plateau pika and zokor, play crucial ecological roles in maintaining ecosystem health and biodiversity.
The rate of suspected suicide attempts by poisoning among children and adolescents ages 10-19 increased 30% during the COVID-19 pandemic compared to 2019. The most common substances involved were acetaminophen and ibuprofen, highlighting the need for comprehensive approach to suicide prevention.
A recent study found a significant rise in cannabis exposures in suspected suicide attempts, with the majority involving other substances. The data highlights the need for increased mental health services and awareness about the risks of cannabis use, particularly among youth.
Two new species of poisonous birds have been discovered in New Guinea's rainforest, containing a neurotoxin similar to that found in South American poison dart frogs. Genetic changes in these bird species allow them to tolerate and store the toxin in their feathers, potentially serving as a defensive mechanism.
More than half of all reported poisonings affect children ages 5 and younger, with opioids responsible for over half of fatal poisonings. Opioids have contributed to a significant increase in child poisoning deaths despite regulation measures.
Pediatric hospitalizations for cannabis poisonings increased significantly in provinces with legal edible cannabis sales compared to those without. The study highlights the need for regulatory measures to mitigate risks associated with recreational cannabis legalization.
Researchers identified a single protein, FETUA-3, that inhibits a broad spectrum of rattlesnake venom toxins. The discovery may lead to the development of improved snake bite treatments and novel therapeutic options.
A study published in PLoS Genetics reveals the mechanism by which a selfish gene in yeast, wtf4, enables its function using a poison-antidote strategy. This strategy involves the production of poison protein that can kill spores, but is countered by an antidote protein produced only by those spores that inherit the drive allele.
Researchers at Nagoya University discovered that grass puffer fish use a non-toxic version of their deadly toxin, TDT, to attract mates and warn off predators. The study found that TDT serves as an odorant, activating specific olfactory sensory cells in the fish's brain.
Researchers at the University of Tokyo discovered that yeast releases toxins to kill its own clones and surrounding microorganisms when starved of glucose, a phenomenon called latecomer killing. This behavior helps yeast survive mass starvation and aids in the selection of toxin-producing offspring.
A systematic review and meta-analysis found that pulse oximetry has a high false negative rate, making it inaccurate for triaging patients with suspected carbon monoxide poisoning. The researchers recommend developing alternative methods for rapid screening of carbon monoxide levels in capillaries.