High Salt Intake Linked to Alzheimers Disease & Dementia Risk in Europeans (2024 Study)

TLDR: This study provides evidence that high salt intake is causally associated with an increased risk of developing dementia, including Alzheimer’s disease (AD) and undefined dementia. Highlights: Causal Association: High salt intake is significantly associated with an increased risk of any dementia (OR = 1.73) and specifically Alzheimer’s disease (OR = 2.10). Cognitive Performance: Higher …

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Myopia Linked to High Screen Time in Children & Adolescents (2024 Study)

TLDR: High screen time exposure is significantly associated with an increased risk of myopia in children and adolescents, with computer use showing the strongest correlation, followed by television, while smartphone use shows no significant association. Highlights: Significant Link: The meta-analysis revealed a statistically significant correlation between high screen time exposure and increased risk of myopia …

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Fasting Increases Dopamine Signaling in Reward Center of Brain (Mouse Study)

Researchers have uncovered new insights into how fasting alters dopamine signaling in the brain’s reward circuitry. Their findings, published in the Journal of Neurophysiology, suggest that fasted mice exhibit enhanced dopamine release in the ventral tegmental area (VTA) of the brain compared to fed mice. This may help explain fasting’s impact on motivation and reward-seeking …

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Neural Activity in Brain-Machine Interface Manual Reaching Task (Rhesus Monkey Study)

Researchers have gained new understanding of how the brain controls movement using both overt motor control and brain-machine interface (BMI) control. Their findings provide insight into the distinct neural processes involved in BMI control compared to natural movement. Key Facts: Rhesus monkeys were trained to control a cursor using either overt arm movements or a …

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Parental Inbreeding (Consanguinity) Increases Risk of Schizophrenia (South India Study)

A new study conducted in rural South India has found that people whose parents are blood relatives (consanguineous marriage) have an increased risk of developing schizophrenia compared to the general population. Key Facts: Researchers recruited 120 patients with schizophrenia and 222 healthy controls from the same rural region in South India. 10.7% of patients with …

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Low-Dose Amphetamine Restores Dopamine Transporters in Cocaine Addiction, Rat Study

Cocaine abuse leads to dysfunction of brain dopamine systems and the development of addiction. New research identifies changes in the dopamine transporter as a driving force underlying cocaine addiction, and points to a novel way to reverse these detrimental effects. Key Facts: Cocaine abuse caused the dopamine transporter to form larger complexes of multiple transporter …

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Intelligence, Psychopathy, Aggression: Sex Differences (Males vs. Females)

Psychopathic individuals are known to commit a disproportionate amount of violence and crime. Yet the connections between psychopathy, intelligence and aggression are complex. A new study unpacks the links between these dangerous traits in men and women. Key Facts: Psychopathy was assessed using the Psychopathy Checklist: Screening Version which divides psychopathy into 4 facets – …

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Green Coffee Bean Extract (CGA-7) for Weight Loss: Clinical Study Finds Benefits

A new randomized, double-blind, placebo-controlled clinical trial provides evidence that a green coffee bean extract standardized to chlorogenic acids (CGA-7) can help with weight loss in healthy overweight adults. Key facts: CGA-7 supplementation for 12 weeks resulted in significant reductions in body weight, BMI, body fat percentage and fat mass compared to placebo. Improvements were …

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Chamomile for Anxiety, Insomnia, Sleep: An Effective Natural Treatment?

Chamomile, a popular herbal tea, has frequently been associated with benefits for relaxation and sleep. A new systematic review and meta-analysis published in Phytotherapy Research comprehensively analyzes the clinical research on chamomile for anxiety, insomnia, and sleep quality. Key facts from this study: 12 randomized controlled trials with 965 total patients were included. Trials tested …

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High Fluoride Levels in Tap Water Linked to Shorter Sleep Duration

A new Canadian study suggests fluoride exposure may be associated with sleeping fewer hours than recommended for optimal health. Key findings include: Higher levels of fluoride in tap water were associated with a 34% increased risk of sleeping less than recommended. The association remained after adjusting for factors like age, BMI, income, ethnicity, and health …

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