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Finding the sweet spot in brain development

Finding the sweet spot in brain development
2024-07-01
Not everything in the brain is meant to last. As our brains assemble, trillions of neural connections have to be built or torn down at the right time and place. Otherwise, the seeds of disorders like autism can take root. Cold Spring Harbor Laboratory Assistant Professor Gabrielle Pouchelon studies how the brain is wired early in life. In doing so, she hopes to find the origins of various brain dysfunctions and new ways to treat them. In a new study, Pouchelon and her team zero in on a process known as pruning. This is when the brain removes unnecessary connections between ...

New national volunteer leaders to guide American Heart Association into second century

2024-07-01
DALLAS, July 1, 2024 — The American Heart Association, celebrating 100 years of lifesaving service as the world’s leading nonprofit organization focused on heart and brain health for all, has named its volunteer leadership for fiscal year 2024-25. Keith Churchwell, M.D., FAHA, serving as the new volunteer president, and Marsha Jones, continuing a two-year term as volunteer board chairperson, will help guide the Association as it enters its second century. Churchwell and Jones are long-time volunteer leaders for ...

Geological Society of America reduces student membership dues to $25

2024-07-01
FOR IMMEDIATE RELEASE 1 July 2024 The Geological Society of America Release No. 24-06 Contact: Jason Elkins +1-303-357-1026 jelkins@geosociety.org Boulder, Colo., USA: The Geological Society of America (GSA) is excited to announce a significant reduction in membership fees for students. Effective 1 July 2024, undergraduate and graduate students majoring in geology or related sciences can sign up for an annual student membership for just $25. This initiative underscores GSA's commitment to supporting the next generation of geoscientists by making membership more accessible and affordable. The ...

Melanin from cuttlefish ink as a sustainable biomass resource

Melanin from cuttlefish ink as a sustainable biomass resource
2024-07-01
Every year, the negative effects of human activities on the environment become increasingly clear. From climate change and microplastics to the endangerment and extinction of countless species, it is evident that we need to find new ways to achieve sustainability. Fortunately, many research groups in prominent fields like chemistry and materials science are tirelessly working to develop solutions to get us closer to circular and sustainable economies. One area that has attracted much attention in this regard is biomass upcycling. It refers to the transformation of naturally available organic materials into ...

AI-powered study explores under-studied female evolution

AI-powered study explores under-studied female evolution
2024-07-01
Pioneering AI-powered research on butterflies has probed the under-studied evolution of females and adds to a debate between the founding fathers of evolution. The University of Essex study – published in Communications Biology – explores a controversy between Victorian scientists Charles Darwin and Alfred Russel Wallace. Darwin thought males had more variation, as females often chose mates based on male appearance. Whereas Wallace thought natural selection across sexes was the biggest factor in difference. For over a century, scientists ...

New findings may fix the replicability crisis in microbiome research

2024-07-01
Our bodies are inhabited by trillions of microorganisms, with specific microbes unique to each individual. Through experimentation, scientists have pinpointed certain factors that account for variation in the gut: diet, living conditions, exercise and maternal line. Now, scientists at University of California San Diego have discovered another factor that affects the composition of the gut microbiome: time of day. In fact, the scientists have found that time of day is such an important factor that they’re calling on the National Institutes of Health (NIH) to require researchers ...

Nanorobot with hidden weapon kills cancer cells

2024-07-01
Researchers at Karolinska Institutet in Sweden have developed nanorobots that kill cancer cells in mice. The robot’s weapon is hidden in a nanostructure and is exposed only in the tumour microenvironment, sparing healthy cells. The study is published in the journal Nature Nanotechnology. The research group at Karolinska Institutet has previously developed structures that can organise so-called death receptors on the surface of cells, leading to cell death. The structures exhibit six peptides (amino acid chains) assembled in a hexagonal pattern. “This hexagonal nanopattern of peptides becomes a lethal weapon,” explains Professor ...

Largest ever genetic study of age of puberty in girls shows links with weight gain

2024-07-01
Genes can indirectly influence the age at which girls have their first period by accelerating weight gain in childhood, a known risk factor for early puberty, a Cambridge-led study has found. Other genes can directly affect age of puberty, some with profound effects. In the largest study of its kind to date, an international team led by researchers at the Medical Research Council (MRC) Epidemiology Unit, University of Cambridge, studied the DNA of around 800,000 women from Europe, North America, China, Japan, and Korea. Published today in Nature Genetics, the researchers found more than 1,000 variants – small changes in DNA – that ...

Sixty-million-year-old grape seeds reveal how the death of the dinosaurs may have paved the way for grapes to spread

Sixty-million-year-old grape seeds reveal how the death of the dinosaurs may have paved the way for grapes to spread
2024-07-01
If you’ve ever snacked on raisins or enjoyed a glass of wine, you may, in part, have the extinction of the dinosaurs to thank for it. In a discovery described in the journal Nature Plants, researchers found fossil grape seeds that range from 60 to 19 million years old in Colombia, Panama, and Peru.  One of these species represents the earliest known example of plants from the grape family in the Western Hemisphere. These fossil seeds help show how the grape family spread in the years following the death of the dinosaurs. “These are the oldest grapes ever found in this part of the world, and they’re a few million years ...

AI model finds the cancer clues at lightning speed

AI model finds the cancer clues at lightning speed
2024-07-01
Researchers at the University of Gothenburg have developed an AI model that increases the potential for detecting cancer through sugar analyses. The AI model is faster and better at finding abnormalities than the current semi-manual method.   Glycans, or structures of sugar molecules in our cells, can be measured by mass spectrometry. One important use is that the structures can indicate different forms of cancer in the cells. However, the data from the mass spectrometer measurement must be carefully analysed by humans to work out the structure from the glycan fragmentation. This process can take anywhere from hours ...

Individuals can tell if their memories are trustworthy, new study shows

2024-07-01
How much trust should we put in our memories? New research shows we have a good awareness of when we are recalling events accurately – and when our brain is filling in gaps with general knowledge.  Memories are a blend of recalled details and ‘prototypical’ information, but a study at the University of Birmingham has shown that when prototypes appear more prominent, we become less confident in the recollection.  This means that we are able to distinguish between these two types of memory, and accurately assess how ...

Palliative care beneficial to manage symptoms, improve quality of life for people with CVD

2024-07-01
Statement Highlights: Palliative medication management focuses on providing relief from symptoms and enhancing quality of life for people with cardiovascular disease throughout the various stages of the disease. Decisions about initiating, adjusting or discontinuing cardiovascular and other medicines should be patient-centered and include input from multiple specialties including cardiology experts in close collaboration with primary care professionals. Evidence shows that adding palliative care interventions to standard cardiovascular ...

How researchers are using digital city-building games to shape the future

2024-07-01
Lancaster University researchers have come up with exciting and sophisticated new mapping technology enabling future generations to get involved in creating their own future built landscape. They say, in their new research published today, that planners are missing a real trick when it comes to encouraging and involving the public to help shape their own towns, cities and counties for the future. They also say that games platforms can be used to plan future cities and also help the public immerse themselves in these future worlds. The researchers have modified Colossal Order’s game ‘Cities: Skylines’ ...

New professorship for Large Engines Research at Graz University of Technology

New professorship for Large Engines Research at Graz University of Technology
2024-07-01
Large engines are essential for the global transport and energy sector, powering container ships, locomotives, decentralised power plants and heavy construction machinery. In many areas, battery-powered electric engines are not feasible, which is why the further development of large combustion engines is a key factor for meeting climate protection targets: through greater efficiency, but above all by using new, climate-neutral fuels. In order to strengthen research and the training of specialists in this field, Graz University of Technology ...

Choose where to plant energy crops wisely to minimise loss of biodiversity, says new study

2024-07-01
In the fight to protect biodiversity and limit climate change, the world will reap what it sows, say researchers from the University of Surrey.   Energy crops can be used for heat, electricity and even biofuels like bioethanol. They will become more important as the world transitions away from fossil fuels. In a new study, researchers from Surrey have shown that where you choose to plant energy crops makes a big difference to biodiversity.  A detailed analysis has shown that planting energy crops on existing agricultural land in places like China and Central Europe could minimise harm to biodiversity ...

Addiction: Biased choice not a chronic brain disease, research suggests

2024-07-01
Addiction is not simply a chronic brain disease and considering it as such can limit treatment options and increase stigma, an extensive research review suggests. After decades of research, Professor of Developmental Psychopathology Reinout W. Wiers suggests that while in some extreme cases addition can be considered a chronic brain disease, in most cases it should be considered as biased choice. According to in-depth research examined in new book A New Approach to Addiction and Choice, portraying addiction as a chronic brain disease reduces confidence in the possibility of lasting change, in both the addict themselves and the therapist. What does science say? The ...

Intake of ultra-processed foods linked with increased risk of death

2024-06-30
Chicago (June 30, 2024) — In a new study, older adults who reported consuming higher amounts of ultra-processed foods, as defined by the NOVA classification system, were about 10% more likely to die over a median follow-up of 23 years compared with those who consumed less processed food. The findings are based on a large study that has tracked over half a million U.S. adults for nearly three decades. According to the results, higher intake of ultra-processed foods was associated with modest increases in death from any cause and from deaths related specifically to heart ...

Limiting ultra-processed foods does not necessarily make for a healthy diet

Limiting ultra-processed foods does not necessarily make for a healthy diet
2024-06-30
Chicago (June 30, 2024) — A new study demonstrates that eating primarily minimally processed foods, as they are defined by the NOVA classification system, does not automatically make for a healthy diet, suggesting that the types of foods we eat may matter more than the level of processing used to make them. Comparing two menus reflecting a typical Western diet — one emphasizing minimally processed foods and the other emphasizing ultra-processed foods, as categorized by the NOVA classification system — the researchers found that ...

Research uncovers heart-protective eating patterns for type 1 diabetes

2024-06-30
Chicago (June 30, 2024) — Eating patterns that align with the Mediterranean diet or the dietary approaches to stop hypertension (DASH) diet could help lower cardiovascular disease risk in adults with type 1 diabetes, according to results from a six-year study. The DASH and Mediterranean diets are both considered heart-healthy and emphasize plant-based foods, healthy fats, lean proteins and low intake of processed foods and sugars. “Type 1 diabetes increases the risk of developing cardiovascular disease, which raises the ...

Does baby-led weaning meet nutritional needs?

Does baby-led weaning meet nutritional needs?
2024-06-30
Chicago (June 30, 2024) — New study findings suggest that baby-led weaning — a popular method for introducing solid foods to infants — furnishes ample calories for growth and development. The findings provide evidence-based support for baby-led weaning, which has not been heavily studied. Baby-led weaning emphasizes allowing infants to hand feed themselves whole, non-pureed foods when introducing solids to infants versus the more traditional approach of spoon-feeding infants pureed solids. Proponents say that it encourages healthy eating habits ...

This desert moss has the potential to grow on Mars

2024-06-30
The desert moss Syntrichia caninervis is a promising candidate for Mars colonization thanks to its extreme ability to tolerate harsh conditions lethal to most life forms. The moss is well known for its ability to tolerate drought conditions, but researchers report June 30 in the journal The Innovation that it can also survive freezing temperatures as low as −196°C, high levels of gamma radiation, and simulated Martian conditions involving these three stressors combined. In all cases, prior dehydration seemed to help the plants cope. “Our study shows that the environmental resilience ...

Study: Private equity acquisitions in cardiology on the rise

2024-06-30
Over the past decade, 342 cardiology clinics have been acquired by private equity firms, with over 94% of those occurring between 2021 and 2023, according to a study published today in JACC, the flagship journal of the American College of Cardiology, and presented at the AcademyHealth 2024 Annual Research Meeting in Baltimore. As this practice grows, the study highlights the critical need to monitor the effects of private equity acquisitions on quality of care and outcomes for patients with cardiovascular disease, as well as procedural utilization. Private equity in health ...

Trying to eat more vegetables? Snacking on carrots might help

Trying to eat more vegetables? Snacking on carrots might help
2024-06-30
Chicago (June 30, 2024) — A new study found that eating a snack of baby carrots just three times a week significantly increased skin carotenoids in young adults. Levels of these phytonutrients were boosted even more when this healthy snack was combined with a multivitamin containing the carotenoid beta carotene. Carotenoids, which are responsible for the bright red, orange and yellow colors of many fruits and vegetables, can be measured in the skin to gauge fruit and vegetable consumption since diet is the only source of these pigments. Higher levels of skin carotenoids are associated with increased antioxidant protection and a lower risk of chronic diseases such as heart ...

Changes in health care and prescription medication affordability during the pandemic

2024-06-30
About The Study: Health care affordability improved for low-income adults during the COVID-19 pandemic, resulting in a narrowing of income-based disparities, while prescription medication affordability improved for all income groups. These findings suggest that the recent unwinding of COVID-19 pandemic–related safety-net policies may worsen health care affordability and widen existing income-based inequities.  Corresponding Author: To contact the corresponding author, Rishi K. Wadhera, M.D., M.P.P., M.Phil., email rwadhera@bidmc.harvard.edu. To access the embargoed study: Visit our ...

Household health care payments under rate setting, spending growth target, and single-payer policies

2024-06-30
About The Study: Single-payer financing based on the current federal income tax schedule and a payroll tax could substantially increase progressivity of household payments by income. Rate setting led to slight increases in payments by higher-income households, who financed higher payment rates in Medicare and Medicaid. Spending growth targets reduced payments slightly for all households.  Corresponding Author: To contact the corresponding author, Jodi L. Liu, Ph.D., email jodiliu@rand.org. To access the embargoed ...
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