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Why 'sleeping on it' may improve learning and memory

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  • 2025-08-05 00:00 event
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Why 'sleeping on it' may improve learning and memory
When faced with difficult tasks, sometimes people hit a mental wall and make the decision to "sleep on it." Returning to the task after sleeping, they often perform better. Why? Rhythmic brain activity during sleep transforms task-related information into stronger, longer-term memory.

718. Lowering the bowel cancer screening age to 45 shows benefits in the US

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After a stable 15-year trend, local-stage colorectal cancer (CRC) incidence increased steeply in adults aged 45 to 49 from 2019–2022, including a 50% relative increase between 2021 and 2022. This trend contrasts with consistent increases of distant-stage diagnoses in this age group and likely reflects the diagnosis of prevalent asymptomatic cancer through first-time screening due to recommendations for adults to begin screening at age 45 instead of age 50.

719. Study shows culinary medicine improves trainee nutrition education

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Yale School of Medicine (YSM) researchers have led the first-ever randomized controlled trial of a culinary medicine curriculum for medical trainees, which found that hands-on cooking is an effective approach to increasing nutrition knowledge for resident physicians.

720. Japan's oldest person is a 114-year-old retired doctor who carried an Olympic torch in 2021

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Shigeko Kagawa, a 114-year-old retired physician from Nara Prefecture, has became Japan's oldest living person, following the death of 114-year-old Miyoko Hiroyasu, according to Japan's Ministry of Health, Labor and Welfare.

721. Review highlights significant need for comprehensive care for gun violence survivors

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A new review article published in JAMA underscores the critical need for comprehensive long-term medical care for patients treated for firearm injuries, which has become an epidemic in the U.S., fueled by years of rising gun violence.

722. New pill technology could replace injections for protein-based medications

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Researchers at the University of Bath have developed a new technology that—for many patients—could make injections a thing of the past. The new system could be used in the future for a range of treatments, including growth hormone, immunotherapy cancer treatments, and diabetes and weight management treatments such as Wegovy and Ozempic.

723. Amino acid glutamine is important for eye health, research finds

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The retina places a large energy demand on the body, in part due to the activity of photoreceptors.

724. Study links reduced ribosome levels to vulnerability in developing brain cells

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A team led by UT Southwestern Medical Center scientists has identified a specific stage of neurodevelopment when differentiating neural cells produce fewer ribosomes, which are responsible for making proteins. This subsequent drop in protein production, they report in Nature Cell Biology, helps explain why mutations that further affect ribosome production can cause neurodevelopmental disorders.

725. Potential therapeutic approach discovered for rare language development disorder

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A research team at the Medical Faculty Heidelberg at Heidelberg University has, for the first time, identified a potential therapeutic approach for the rare FOXP1 syndrome, a congenital developmental disorder in children. This rare disease is genetic and is associated with intellectual disability, speech development disorders, and autistic behaviors.

726. New study reveals critical links between depression, loneliness, and hypertension in Black women

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A comprehensive systematic review highlights a troubling intersection of mental and physical health disparities in Black women, revealing that depression and loneliness are significant—and often overlooked contributors to hypertension and poor cardiovascular outcomes.

727. Why 'sleeping on it' may improve learning and memory

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When faced with difficult tasks, sometimes people hit a mental wall and make the decision to "sleep on it." Returning to the task after sleeping, they often perform better. Why? Rhythmic brain activity during sleep transforms task-related information into stronger, longer-term memory.

728. Can botox be used to alleviate pain in a jaw disorder?

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Temporomandibular disorder (TMD) limits jaw function and is so painful that it lessens the quality of life. Botulinum toxin—also known as botox—is emerging as an effective treatment option, but there are concerns about side effects, like muscle dysfunction.

729. Centenarians experience slower disease progression and fewer illnesses in old age

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Reaching the age of 100 does not necessarily mean a life fraught with illness. A new study from Karolinska Institutet shows that centenarians not only live longer, they also stay healthier than other older people, with fewer diseases that develop more slowly.

730. Pain after a heart attack: Study suggests its as dangerous as smoking

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Pain that persists one year after a heart attack can be linked to a significant risk of death at a level consistent with the effects of smoking and diabetes. This is shown in a new study involving close to 100,000 patients that was led by researchers from Dalarna University, Region Dalarna, Karolinska Institutet and Uppsala University.

731. Freeze-dried fruit recalled from Sam's Club over Listeria risk

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Popular freeze-dried fruit snacks sold at Sam's Club are being recalled because of possible Listeria contamination.

732. Pets don't necessarily improve their owners' well-being

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People often turn to pets to boost their mood and find companionship. Improving well-being and reducing loneliness are among the most cited reasons for adopting an animal companion.

733. Inflammation linked to frailty, social deprivation and heart disease risk in women

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A new study led by researchers at King's College London, in collaboration with the University of Nottingham, suggests that chronic inflammation may link frailty, social disadvantage and increased cardiovascular disease (CVD) risk.

734. A saliva-based test for breast cancer might be near

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In a small new study, a handheld saliva-sampling device successfully detected breast cancer 100% of the time, researchers said.

735. The global health system can build back better after US aid cuts: Here's how

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Steep cuts in US government funding have thrown much of the field of global health into a state of fear and uncertainty. Once a crown jewel of US foreign policy, valued at some US$12 billion a year, global health has been relegated to a corner of a restructured State Department governed by an "America First" agenda.

736. Fetal autopsies could help prevent stillbirths, but too often they are used to blame mothers for pregnancy loss

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About 60 pregnancies per day in the U.S. end in stillbirth.

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