(Press-News.org) About The Study: In this study of 2,361 mother-child pairs followed up prenatally to child age of approximately two years, prenatal lead exposure was associated with an increased risk of cognitive developmental delay (CDD) in children, especially in those with a high genetic risk. These findings suggest that prenatal lead exposure and genetic background may jointly contribute to an increased risk of CDD for children and indicate the possibility for an integrated strategy to assess CDD risk and improve children’s cognitive ability.
Authors: Yuanyuan Li, Ph.D., of the Huazhong University of Science and Technology in Wuhan, Hubei, China, is the corresponding author.
To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/
(doi:10.1001/jamanetworkopen.2023.39108)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
# # #
Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time http://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2023.39108?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=102323
About JAMA Network Open: JAMA Network Open is an online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.
END
Prenatal lead exposure, genetic factors, and cognitive developmental delay
JAMA Network Open
2023-10-23
ELSE PRESS RELEASES FROM THIS DATE:
Researchers use pioneering new method to unlock brain’s noradrenaline system
2023-10-23
An international team of researchers has provided valuable insights into the brain’s noradrenaline (NA) system, which has been a longtime target for medications to treat attention-deficit/hyperactivity disorder, depression, and anxiety.
Equally important beyond the findings is the groundbreaking methodology that the researchers developed to record real-time chemical activity from standard clinical electrodes which are routinely implanted for epilepsy monitoring.
Published online in the journal Current Biology on Monday (Oct. 23), the research not only provides new insights into the brain’s chemistry, which could have implications ...
Scientists develop ‘pseudo cell’ formulation for vitreoretinal disease therapy
2023-10-23
Researchers from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences and Beijing Chaoyang Hospital have developed a new "pseudo cell" formulation based on self-healing microcapsule-loading exosomes to treat diverse vitreoretinal diseases.
The study was published in Nature Biomedical Engineering on Oct. 23.
Vitreoretinal diseases include a wide spectrum of vision-threatening disorders, which may cause severe irreversible vision loss. The efficacy of current treatments for vitreoretinal diseases in clinic is generally unsatisfactory and treatments often cause several side effects. Moreover, frequently repeated treatments ...
Increased West Antarctic Ice Sheet melting ‘unavoidable’
2023-10-23
Scientists ran simulations on the UK’s national supercomputer to investigate ocean-driven melting of the West Antarctic Ice Sheet: how much is unavoidable and must be adapted to, and how much melting the international community still has control over through reduction of greenhouse gas emissions.
Taking into account climate variability like El Niño, they found no significant difference between mid-range emissions scenarios and the most ambitious targets of the 2015 Paris Agreement. Even under a best-case scenario of 1.5°C global temperature rise, melting will increase three times faster than ...
Novel cause of brain mosaicism and focal epilepsy identified
2023-10-23
(COLUMBUS, Ohio) – In most people, every cell in their body contains the same genetic information. However, sometimes people can have two or more genetically different sets of cells. This usually happens during fetal development and is known as mosaicism. Sometimes one of those groups of cells has genetic changes that can cause diseases or disorders.
Neurologists, neurosurgeons and genomics experts have been working together to test for mosaicism in brain tissues resected during epilepsy surgery. Research has shown that mosaicism in the brain is a significant contributor to epilepsy.
In a new study, recently published in Nature ...
Multitarget stool RNA test for colorectal cancer screening
2023-10-23
About The Study: In a clinical trial that included 8,920 participants, a noninvasive, multitarget stool RNA test (ColoSense) for colorectal cancer screening showed high sensitivity for colorectal neoplasia (colorectal cancer and advanced adenoma) with significant improvement in sensitivity relative to the fecal immunochemical test. Specificity for no lesions on colonoscopy was comparable to existing molecular diagnostic tests.
Authors: Erica K. Barnell, M.D., Ph.D., of the Washington University School of Medicine in St. Louis, is the corresponding author.
To access ...
Plants transformed into detectors of dangerous chemicals
2023-10-23
What if your house plant could tell you your water isn’t safe? Scientists are closer to realizing this vision, having successfully engineered a plant to turn beet red in the presence of a banned, toxic pesticide.
To achieve this, UC Riverside researchers had to solve an engineering puzzle: how to enable a plant to sense and react to a chemical in the environment without damaging its ability to function normally in all other respects.
“The biggest piece here is we’ve created an environmental sensor without modifying ...
How long should kids isolate after they’ve contracted COVID-19?
2023-10-23
School policies that require students with COVID-19 to stay out of the classroom for five days are more than sufficient. That’s because children infected with the Omicron variant remained infectious for a median time of three days after testing positive for the virus, according to a study by the USC Schaeffer Center for Health Policy & Economics and Stanford University.
“We're basically saying five days is more than sufficient; public-health and education leaders may consider shorter durations,” said co-author Neeraj ...
Homeless people are 16 times more likely to die suddenly
2023-10-23
A study led by UC San Francisco has found that people who are experiencing homelessness have a 16-fold higher rate of sudden death from heart attacks, as well as other causes.
The study focused on San Francisco County, which has one of the nation’s highest concentrations of homeless people. It found that the rate of sudden cardiac death was 7 times higher than the general population.
Some of these deaths may have been prevented with defibrillators and other public policy measures to improve health in this vulnerable population, according to the authors.
The paper published ...
New study shows surprising effects of fire in North America’s boreal forests
2023-10-23
A new study, using a first-of-its-kind approach to analyze satellite imagery from boreal forests over the last three decades, found that fire may be changing the face of the region in a way researchers did not previously anticipate.
Historically, fires in North American boreal forests have led to coniferous trees being supplanted by deciduous trees, which are faster growing, take up more carbon and reflect more light, leading to cooling of the climate and decreased likelihood of fire.
The study, led by Northern Arizona University and published today in Nature Climate Change, found that, surprisingly, while forests do become more deciduous, ...
Chemists, engineers craft adjustable arrays of microscopic lenses
2023-10-23
They number in the thousands, light striking the phalanx of lenses arrayed on a face in geometric pattern, the beams refracting through transparent mounds no wider than a hair.
A fly’s eye boasts roughly 4,000 microscopic lenses, a honeybee’s up to twice that many. These lenses, though, belong not to a compound eye but to polydimethylsiloxane — a flexible polymer long ranking as a favored playground of Nebraska’s Stephen Morin and his band of fellow chemists.
With the aid of engineers Ruiguo Yang and Grayson Minnick, Morin’s team can now arrange and ...
LAST 30 PRESS RELEASES:
‘Preventable deaths will continue’ without action to make NHS more accessible for autistic people, say experts
Scientists shoot lasers into brain cells to uncover how illusions work
Your ecosystem engineer was a dinosaur
New digital cognitive test for diagnosing Alzheimer's disease
Parents of children with health conditions less confident about a positive school year
New guideline standardizes consent for research participants in Canada
Research as reconciliation: Oil sands and health
AI risks overwriting history and the skills of historians have never been more important, leading academic outlines in new paper
The Lancet Diabetes & Endocrinology: Higher doses of semaglutide can safely enhance weight loss and improve health for adults living with obesity, two new clinical trials confirm
Trauma focused therapy shows promise for children struggling with PTSD
School meals could drive economic growth and food system transformation
Home training for cerebellar ataxias
Dry eyes affect over half the general population, yet only a fifth receive diagnosis and treatment
Researchers sound warning about women with type 2 diabetes taking oral HRT
Overweight and obesity don’t always increase the risk of an early death, Danish study finds
Cannabis use associated with a quadrupling of risk of developing type 2 diabetes, finds study of over 4 million adults
Gestational diabetes linked to cognitive decline in mothers and increased risk of developmental delays, ADHD and autism among children
Could we use eye drops instead of reading glasses as we age?
Patients who had cataracts removed or their eyesight corrected with a new type of lens have good vision over all distances without spectacles
AI can spot which patients need treatment to prevent vision loss in young adults
Half of people stop taking popular weight-loss drug within a year, national study finds
Links between diabetes and depression are similar across Europe, study of over-50s in 18 countries finds
Smoking increases the risk of type 2 diabetes, regardless of its characteristics
Scientists trace origins of now extinct plant population from volcanically active Nishinoshima
AI algorithm based on routine mammogram + age can predict women’s major cardiovascular disease risk
New hurdle seen to prostate screening: primary-care docs
MSU researchers explore how virtual sports aid mental health
Working together, cells extend their senses
Cheese fungi help unlock secrets of evolution
Researchers find brain region that fuels compulsive drinking
[Press-News.org] Prenatal lead exposure, genetic factors, and cognitive developmental delayJAMA Network Open