Get help now — free helplines

You can call any of these for free. You do not need a diagnosis, an appointment, or a crisis to call — questions and plain exhaustion are reasons enough.

  • Alzheimer's Association 24/7 Helpline 800-272-3900 24 hours a day, 365 days a year Free, confidential support and information for people with dementia, caregivers, families and the public. Master's-level clinicians. Also Spanish.
  • 988 Suicide & Crisis Lifeline 988 24/7 Call or text 988, or chat at 988lifeline.org. For anyone in emotional distress or a mental-health crisis, including caregivers.
  • Alzheimer's Foundation of America (AFA) Helpline 866-232-8484 9:00 am - 9:00 pm ET, seven days a week Licensed social workers providing support, info and referrals. Also text message and web chat. Text: 646-586-5283

In a medical emergency, call 911. More numbers, and what each line does, on the help page.

Each study has a usefulness score out of 100 (rubric version 4.0). Tap a score to see what makes it up.

Highest usefulness score first. Studies without a score come last.

  1. Dietary Fats and the Risk of Incident Alzheimer Disease

    ✓ Peer-reviewed alzhub usefulness score 45 out of 100. Archives of Neurology 2003-02-01 Risk factors

    After a mean follow-up of 3.9 years, 131 persons developed Alzheimer disease.

  2. Microbiome-targeted Alzheimer's interventions via gut-brain axis

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Frontiers in microbiology 2025-12-05 Disease mechanisms

    Alzheimer's disease (AD) is a progressive neurodegenerative disorder with limited treatment options, underscoring the need for novel therapeutic targets.

  3. Dietary fiber modulates gut microbiota and lipid metabolism ameliorating Alzheimer's pathology in 5xFAD mice

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Scientific reports 2025-11-26 Disease mechanisms

    The gut-brain axis plays a critical role in maintaining neuronal integrity and influencing the progression of Alzheimer's disease (AD).

  4. The Gut-Brain Axis in Alzheimer's Disease: Exploring Microbial Influences and Therapeutic Strategies

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Molecular neurobiology 2025-11-24 Disease mechanisms

    Microbiota residing in the human gastrointestinal tract play a critical role in maintaining homeostasis through immune regulation, metabolic activity, and signaling to the central nervous system.

  5. Chronic diseases, broadly defined as long-duration conditions that require sustained medical care and/or limit activities of daily living, are a major problem that threatens human health and imposes large social and economic burdens.

  6. GLP-1 and the Degenerating Brain: Exploring Mechanistic Insights and Therapeutic Potential

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. International journal of molecular sciences 2025-11-05 Drug development

    Neurodegenerative disorders, including Alzheimer's disease (AD), Parkinson's disease (PD), stroke, and depression, are marked by progressive neuronal dysfunction and loss, yet current treatments remain largely symptomatic with limited disease-modifying efficacy.

  7. Semaglutide and the pathogenesis of progressive neurodegenerative disease: the central role of mitochondria

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Frontiers in neuroendocrinology 2025-10-03 Drug development

    While mitochondria provide critical energy resources, mitochondrial dysfunction can lead to both metabolic and neurodegenerative disorders.

  8. The microbiota-gut-brain axis in mental and neurodegenerative disorders: opportunities for prevention and intervention

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Frontiers in aging neuroscience 2025-10-01 Disease mechanisms

    The microbiota-gut-brain axis (MGBA) is increasingly recognized as a critical regulator of brain health, influencing both neurodevelopment and age-related neurological decline.

  9. Omega-3 polyunsaturated fatty acids in neurodegenerative disorders: Mixed designs = mixed results

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Progress in lipid research 2025-09-19 Prevention and risk

    Epidemiological studies consistently show an elevated intake of fish and long-chain omega-3 polyunsaturated fatty acids (PUFAs), such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), reduces the risk of developing neurodegenerative diseases, particularly dementia and Alzheimer's disease.

  10. Glucagon-Like Peptide-1 Receptor Agonists in Neurodegenerative Diseases: A Comprehensive Review

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Cureus 2025-09-16 Drug development

    There is a steadily increasing global burden of neurodegenerative diseases (NDs) such as dementia, including Alzheimer's disease (AD), and movement disorders like Parkinson's disease (PD), which emphasizes the importance of disease-modifying therapy (as opposed to symptomatic therapy).

  11. The Microbiota-Gut-Brain Connection: A New Horizon in Neurological and Neuropsychiatric Disorders

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. CNS neuroscience & therapeutics 2025-09 Disease mechanisms

    This review explores the molecular processes underlying MGBA interactions, including vagus nerve signaling, systemic immunological responses, and metabolites produced by microorganisms.

  12. Adiponectin Receptor Agonist Ameliorates Synaptic Dysfunction in 3xTg Alzheimer's Disease Mouse Model by Activation of AMPK

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. CNS neuroscience & therapeutics 2025-09 Disease mechanisms

    Incubation of hippocampal slices with AdipoRon ameliorated long-term potentiation (LTP) and basal synaptic transmission deficits in 3xTg-AD mice.

  13. Gut Microbiota in Psychiatric and Neurological Disorders: Current Insights and Therapeutic Implications

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Biomedicines 2025-08-29 Disease mechanisms

    Recent studies increasingly highlight the complex interaction between gut microbiota and mental health, drawing attention to the role of the microbiota-gut-brain axis (MGBA) in the pathophysiology of mental and neurodevelopmental disorders.

  14. From metabolism to mind: The expanding role of the GLP-1 receptor in neurotherapeutics

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics 2025-07-29 Drug development

    GLP-1 receptor agonists (GLP-1RAs), initially approved for diabetes and obesity, are now under investigation for neuroprotective effects in a range of neurological disorders.

  15. Gut-brain relationship in dementia and Alzheimer's disease: Impact on stress and immunity

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Ageing research reviews 2025-07-23 Disease mechanisms

    Alzheimer's disease (AD) is increasingly recognized as a condition shaped not only by central nervous system pathology but also by complex, bidirectional interactions between the gut, brain, and immune system.

  16. Probiotics, gut microbiota, and brain health: Exploring therapeutic pathways

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. AIMS microbiology 2025-07-08 Disease mechanisms

    The gut microbiome plays a significant role in regulating gastrointestinal (GI) function and modulating the gut-brain axis, which describes the bidirectional communication between the GI tract and the central nervous system (CNS).

  17. The expanding role of semaglutide: beyond glycemic control

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Journal of diabetes and metabolic disorders 2025-07-04 Drug development

    Semaglutide, a glucagon-like peptide-1 receptor agonist (GLP-1RA), has transformed the treatment landscape for type 2 diabetes and obesity due to its robust efficacy and wide-ranging therapeutic benefits.

  18. Tirzepatide: a novel therapeutic approach for Alzheimer's disease

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Metabolic brain disease 2025-06-11 Drug development

    Tirzepatide (TRZ) is a dual agonist of glucagon-like peptide 1 (GLP-1) and gastric inhibitory polypeptide (GIP) receptors that were recently approved for the treatment of type 2 diabetes (T2D) and obesity.

  19. Glucagon-like peptide-1 receptor agonists in neurodegenerative diseases: Promises and challenges

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Pharmacological research 2025-05-08 Drug development

    Glucagon-like peptide-1 (GLP-1) receptor agonists (GRA) belong to a class of compounds that reduce blood glucose and energy intake by simulating actions of endogenous incretin hormone GLP-1 after it is released by the gut following food consumption.

  20. The relationship between gut microbiome and human diseases: mechanisms, predisposing factors and potential intervention

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Frontiers in cellular and infection microbiology 2025-05-06 Disease mechanisms

    The complex interrelation of gut microbiota with human health underlines the profound influence this microbial ecosystem has on mechanisms of disease and wellness.

  21. Curcumin Modulation of the Gut-Brain Axis for Neuroinflammation and Metabolic Disorders Prevention and Treatment

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Nutrients 2025-04-24 Disease mechanisms

    Curcumin, a polyphenolic compound derived from Curcuma longa, has gained significant attention for its potential therapeutic benefits, particularly counteracting inflammation, oxidative stress, and metabolic disorders.

  22. Human oral microbiome and its influence on mental health and brain disorders

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. AIMS microbiology 2025-04-14 Disease mechanisms

    The human oral microbiome can affect brain functions directly through the trigeminal nerve and olfactory system and indirectly via the oral-gut-brain axis.

  23. Are Glucagon-Like Peptide-1 (GLP-1) Receptor Agonists Central Nervous System (CNS) Penetrant: A Narrative Review

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Neurology and therapy 2025-04-02 Drug development

    We identified 14 studies that were included in this synthesis.

  24. Gut Microbiota and Alzheimer Disease

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Acta neurologica Taiwanica 2025-03-28 Disease mechanisms

    The hallmarks of Alzheimer's disease (AD) include brain dysfunction and the buildup of amyloid and tau proteins.

  25. Glucagon-like Peptide-1 Receptor Agonists: Exciting Avenues Beyond Weight Loss

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Journal of clinical medicine 2025-03-14 Drug development

    The last two decades have proffered many remarkable choices in managing type 1 and type 2 diabetes mellitus.

From across this topic

10 of the 1,048 studies in this topic, picked by a fixed rule (a hash of each study's address), not by score or date; each page of this list shows a different 10. The same 10 appear here every time.

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