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Aging

·March 28, 2024·4 min read

Sleeplessness Makes You Feel Up To Ten Years Older

Researchers unveiled a link between sleep quality and subjective age, demonstrating that insufficient sleep can make individuals feel significantly older. Through two studies involving over 600 participants, they found that each night of inadequate sleep contributed to feeling 0.23 years older, with sleep restriction causing participants to feel on average 4.4 years older.

Featured Genetics Neurology Neuroscience

·March 27, 2024·4 min read

Diabetes, Pollution, and Alcohol Amplify Dementia Risk

Researchers identified key risk factors and genetic influences impacting a specific brain network vulnerable to aging, schizophrenia, and Alzheimer’s disease. This 'weak spot' in the brain is especially susceptible to diabetes, air pollution, and alcohol consumption.

Featured Neuroscience

·March 26, 2024·6 min read

Bilingualism May Shield Against Aging Brain Problems

Bilingualism may serve as a powerful tool against age-related cognitive decline, particularly in social cognition areas such as theory of mind. Their study demonstrates that early bilingualism leads to beneficial structural changes in the brain, including increased gray matter volume and cortical thickness, which contribute to a stronger cognitive reserve.

Featured Neurology Neuroscience

·March 26, 2024·3 min read

Early Signs of Dementia Found in Middle Age

A new study reveals that Lewy body disease, a major neurodegenerative disorder second only to Alzheimer's, may start developing in individuals as early as middle age, well before symptoms manifest. Utilizing unique Finnish forensic autopsy data, the study found markers of the disease in 9% of individuals over 50 without any clinical diagnosis of Parkinson’s or Lewy body disease.

Featured Genetics Neuroscience

·March 25, 2024·5 min read

Longer Genes May Drive Aging

Four independent studies converge on the groundbreaking conclusion that the activity of long genes may be the key driver behind aging. This insight, marking a significant shift from traditional gene-specific aging theories, suggests that conditions affecting long gene activity, like smoking or caloric restriction, can accelerate or slow down aging, respectively.

Featured Neuroscience Psychology

·March 21, 2024·5 min read

Social Isolation Linked to Accelerated Aging

Researchers have uncovered a significant correlation between social isolation and accelerated biological aging, indicating that individuals with limited social connections are at a higher risk of premature mortality. Utilizing AI-enabled electrocardiograms (AI-ECG) to estimate the biological age of over 280,000 adults, the study found that those with robust social networks exhibited smaller age gaps between their biological and chronological ages, reflecting slower biological aging.

This shows a woman looking at brain scans.

Featured Neurology Neuroscience

·March 19, 2024·5 min read

Middle Age is A Critical Window for Predicting Brain Health

A new study highlights the importance of middle age in understanding and predicting future cognitive health. Researchers emphasize that this period, traditionally between 40 and 65 years, is pivotal for identifying risk factors for dementia and represents a crucial phase for interventions.

Featured Neurology Neuroscience

·March 18, 2024·5 min read

Rethinking Memory Decline

Researchers reveal new findings on the complexity of age-related memory decline and neural dedifferentiation, challenging existing theories on cognitive aging. The study utilized functional MRI to compare brain activity patterns in young and older adults, revealing that age diminishes the brain's precision in processing visual information, with distinct mechanisms affecting category and item-level selectivity.

This shows a man sitting alone on a bench.

Featured Neuroscience Psychology

·March 18, 2024·4 min read

Loneliness in Midlife: A Growing Gap Between US and Europe

New research highlights a significant loneliness gap between middle-aged adults in the U.S. and their European counterparts, with Americans experiencing higher levels. The study utilized data from over 53,000 participants to explore loneliness trends across three generations, finding that U.S. adults report increasing loneliness, particularly among younger generations.

This shows an older lady making a salad.

Featured Neurology Neuroscience

·March 14, 2024·5 min read

Healthy Diet Slows Aging and Lowers Dementia Risk

Researchers linked healthier diets to a reduced risk of dementia and a slower pace of biological aging, unveiling the partial mechanism behind this protective effect. Researchers applied the DunedinPACE epigenetic clock to data from the Framingham Heart Study's Offspring Cohort, revealing that adherence to the MIND diet significantly slowed aging and lowered dementia risks.

Featured Neurology Neuroscience

·March 12, 2024·5 min read

Curve Walking Reveals Cognitive Decline in Elderly

Researchers have discovered that curved path walking is more revealing of mild cognitive impairment (MCI) in older adults than traditional straight path walking tests. By employing a depth camera to analyze gait during these walks, the study identified 50 gait markers that varied significantly between healthy older adults and those with MCI.

Featured Genetics Neuroscience Psychology

·March 6, 2024·6 min read

Schizophrenia and Aging Share Brain Changes

A new study revealed shared cellular and molecular changes in the brains of people with schizophrenia and older adults, pointing to a common biological basis for cognitive impairments in these groups. The study analyzed gene expression in over a million cells from 191 individuals, uncovering a coordinated reduction in genes supporting synaptic connections by neurons and astrocytes, dubbed the Synaptic Neuron and Astrocyte Program (SNAP).