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          Sleep

          This shows a brain and a person sleeping.
          FeaturedNeurologyNeuroscience
          ·September 27, 2025·6 min read

          Sleep Disorders Predict Parkinson’s or Dementia Years Ahead

          Two landmark international studies show that brain biomarkers can predict whether people with REM sleep behaviour disorder (iRBD) will develop Parkinson’s disease or dementia with Lewy bodies (DLB). MRI scans revealed that reduced glymphatic system function signals higher risk for Parkinson’s, while increased free water in the basal nucleus of Meynert predicts progression to DLB.
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          This shows a person sleeping and a brain.
          FeaturedNeuroscience
          ·September 24, 2025·6 min read

          Gut Microbes May Hold the Hidden Key to Why We Sleep

          A new study shows that bacterial cell wall molecules, specifically peptidoglycan, are present in the brain and fluctuate with sleep cycles. This finding supports a hypothesis that sleep is not solely brain-regulated but arises from the interplay between the body and its microbiome.
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          This shows a brain and brain waves.
          FeaturedNeuroscience
          ·September 23, 2025·5 min read

          Brain Waves During Sleep Are Driven by Neural Excitability

          New research shows that slow oscillations in the brain, which occur during deep sleep and anesthesia, are guided by neuronal excitability rather than structural anatomy. Using computational models and experiments in mice, scientists demonstrated that the most excitable brain region directs the flow of these waves, like a leader setting a trend.
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          This shows a person sleeping.
          FeaturedNeurologyNeuroscience
          ·September 10, 2025·5 min read

          Cooler Nights and Brighter Days Boost Sleep in Dementia Patients

          A large-scale study shows that indoor environmental changes—such as cooler bedroom temperatures at night and brighter indoor light during the day—can significantly improve sleep in people living with dementia. Researchers analyzed over 26,000 days of data using contactless sensors placed in participants’ homes.
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          This shows a brain and sleep waves.
          FeaturedNeuroscience
          ·September 8, 2025·3 min read

          REM Sleep Reactivation Locks Memories in Place

          Rare adult-born neurons in the hippocampus are reactivated during REM sleep, locking waking experiences into long-term memory. Using genetically modified mice, they found that these neurons fire in the same patterns during sleep as they did during learning.
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          This shows a sleeping woman and leaves.
          FeaturedNeuroscienceOpen Neuroscience ArticlesPsychology
          ·August 27, 2025·3 min read

          Cannabis Linked to Reduced Insomnia and Anxiety

          A new study suggests cannabis-based medical products may help people with insomnia sleep better over the long term. Across 124 patients followed for up to 18 months, participants consistently reported improved sleep quality, less anxiety and depression, and a better overall quality of life.
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          This shows a person sleeping and blood.
          FeaturedNeuroscience
          ·August 23, 2025·5 min read

          Omega-3s May Protect Against Daytime Sleepiness

          A new study has identified seven blood metabolites linked to excessive daytime sleepiness (EDS), a condition affecting one in three Americans. The findings show that both diet and hormones play a role, with omega-3 and omega-6 fatty acids associated with lower risk, and compounds like tyramine linked to higher risk.
          Read More
          This shows a brain and a night time backdrop.
          FeaturedNeuroscience
          ·August 21, 2025·5 min read

          Nighttime Brain Activity Keeps Glucose Levels in Check

          A new study reveals that the brain actively maintains blood sugar stability during everyday life, not just during crises. Researchers identified VMHCckbr neurons in the hypothalamus that regulate glucose by promoting fat breakdown, especially during the early hours of sleep.
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          This shows two people sleeping. One has a clock in the background, the other has a brain and other organs in the background, implying poor sleep may harm health.
          FeaturedNeuroscience
          ·July 28, 2025·5 min read

          Irregular Sleep Linked to 172 Diseases

          In the largest study of its kind, researchers linked irregular sleep patterns to elevated risk for 172 diseases. Using objective sleep data from actigraphy devices worn by over 88,000 people for nearly seven years, the study found that erratic bedtimes and poor circadian stability were among the most damaging traits.
          Read More
          This shows a head and leaf.
          FeaturedNeurosciencePsychology
          ·July 23, 2025·7 min read

          Inflammation Influences Cannabis’s Effects on Anxiety and Sleep

          A new study shows that inflammation levels influence how cannabis affects anxiety and sleep quality. Researchers found no overall change in inflammatory markers after 4 weeks of cannabis use, but baseline inflammation moderated outcomes.
          Read More
          This shows the sun and moon.
          FeaturedNeuroscience
          ·July 22, 2025·5 min read

          Math Reveals Why Sleep Patterns Shift With Age, Light, and Routine

          A new study shows how math helps explain why babies nap erratically, teens stay up late, and older adults wake earlier. Researchers expanded the classic two-process sleep model by adding the effects of light exposure, uncovering how internal and external factors interact to regulate sleep.
          Read More
          This shows a fork and a brain.
          FeaturedNeuroscience
          ·July 22, 2025·6 min read

          Hunger Sharpens Sleep Rhythms That Solidify Memories

          New research shows that the brain’s slow oscillations and sleep spindles — key rhythms that consolidate memories during sleep — can be shaped by more than just age. While these rhythms have long been thought of as stable traits, studies reveal that metabolic state, like fasting before sleep, can enhance their timing and co-occurrence.
          Read More
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          From Cancer to Alzheimer’s: Decoding RNA-Protein Signals

          This shows a salad and RNA.

          Dietary RNA Molecules May Hold the Key to Slowing Cellular Aging

          This shows neurons and immune cells.

          ALS May Be an Autoimmune Disease

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          Early vs. Late Autism Diagnoses Linked to Distinct Genetic Profiles

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