Research Keyword: cognitive function

Quercetin hybrid-hydrogel microparticles modulate gut microbiota and improve memory in an antibiotic-induced dysbiosis rat model

A natural quercetin supplement formulated with fenugreek fiber was tested on rats with antibiotic-damaged gut bacteria. The supplement successfully restored healthy gut bacteria diversity, reduced gut inflammation, and improved memory performance. These benefits likely work through the gut-brain connection, where healthy bacteria produce beneficial chemicals that support brain function and reduce inflammation.

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Comparative Efficacy and Functional Outcomes of Psychedelic-Assisted Therapies in Treatment-Resistant Depression: A Systematic Review of Recent Clinical Trials

This systematic review examines how psychedelic-assisted therapies like ketamine and psilocybin help people with severe, treatment-resistant depression that doesn’t respond to standard antidepressants. The analysis of 10 recent clinical trials shows these therapies work quickly, often providing symptom relief within days rather than weeks, and importantly, they also help people return to work and daily functioning. These treatments are generally well-tolerated with minimal cognitive side effects, suggesting they could become important new options for patients who haven’t benefited from conventional depression treatments.

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Impact of Hericium erinaceus and Ganoderma lucidum metabolites on AhR activation in neuronal HT-22 cells

This study examined how two medicinal mushrooms, lion’s mane and Reishi, affect nerve cells in the brain. The researchers found that metabolites from these mushrooms don’t harm brain cells and actually boost protective proteins that support cell health and survival. The mushrooms appear to work through a cellular receptor called AhR, which helps facilitate communication between the gut and the brain. These findings suggest that these mushrooms may help support brain function and protect against neurological problems.

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Ayahuasca enhances the formation of hippocampal-dependent episodic memory without impacting false memory susceptibility in experienced ayahuasca users: An observational study

Researchers studied how ayahuasca affects memory in experienced Santo Daime church members who use it regularly. Surprisingly, instead of impairing memory like other psychedelics typically do, ayahuasca enhanced people’s ability to remember details of events they witnessed. Importantly, the drug did not make people more susceptible to false memories or memory distortions, even though the entire study occurred while participants were under its acute effects.

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Efficacy and safety of MT104, a dietary supplement based on Cuscuta seeds and heat‐killed probiotics, on cognitive function in patients with mild cognitive impairment: A 12‐week, multicenter, randomized, double‐blind, placebo‐controlled clinical trial

Researchers tested a dietary supplement called MT104 made from Cuscuta seeds and special probiotics to see if it could improve memory and thinking in people with mild cognitive impairment, an early stage before dementia develops. In a 12-week study with 200+ participants, those taking MT104 showed better memory recall and overall cognitive function compared to those taking a placebo. The supplement appeared to be safe with no serious side effects, suggesting it could be a helpful natural approach to slow the progression toward Alzheimer’s disease.

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The Acute and Chronic Effects of Lion’s Mane Mushroom Supplementation on Cognitive Function, Stress and Mood in Young Adults: A Double-Blind, Parallel Groups, Pilot Study

This study examined whether Lion’s mane mushroom supplements could improve thinking speed and reduce stress in healthy young adults. Researchers found that a single dose improved how quickly people completed a mental challenge, and four weeks of daily supplements showed a trend toward reducing subjective stress. However, the study was small and found mixed results, including some negative effects on memory tasks, so more research with larger groups is needed to confirm these findings.

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How to account for hallucinations in the interpretation of the antidepressant effects of psychedelics: a translational framework

Psychedelic drugs like LSD and psilocybin show promise in treating depression with effects lasting months after single doses. However, scientists debate whether the hallucinations and mystical experiences these drugs produce are necessary for their healing effects. This review proposes a framework to test whether lower doses without hallucinations might still provide antidepressant benefits, similar to how anesthesia-administered ketamine works without the patient’s awareness.

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Dietary Intake of Phytochemicals, Gut Microbiota, and Appetite Control

This research editorial highlights how plant-based foods rich in phytochemicals can improve gut health by promoting beneficial bacteria growth and supporting communication between the gut and brain. These dietary interventions show promise in helping control appetite, improve metabolism, and reduce the risk of diseases like obesity and type 2 diabetes. The studies suggest that personalized nutrition approaches based on individual microbiome profiles could offer more effective disease prevention and health maintenance strategies.

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Sporoderm-removed ganoderma lucidum spore powder (S-GLSP) alleviates neuroinflammation injury by regulating microglial polarization through inhibition of NLRP3 inflammasome activation

Researchers found that sporoderm-removed Ganoderma lucidum spore powder (S-GLSP) protects against Alzheimer’s disease by reducing brain inflammation. The supplement works by shifting immune cells in the brain called microglia from a harmful pro-inflammatory state to a protective anti-inflammatory state. This is accomplished by blocking the NLRP3 inflammasome, a key trigger of brain inflammation. In animal and cell studies, S-GLSP improved memory, reduced neuronal damage, and decreased harmful tau protein accumulation.

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Benefits, side effects, and uses of Hericium erinaceus as a supplement: a systematic review

Lion’s Mane mushroom shows promising benefits for brain health, potentially improving memory and reducing symptoms of anxiety and depression. It may help prevent cancer by triggering cancer cell death and supports digestive health by promoting beneficial gut bacteria. While generally safe, some people experience mild side effects like stomach discomfort or headaches, making it an accessible supplement for overall wellness.

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