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. Lactobacilli and bifidobacteria ameliorate memory and learning deficits and oxidative stress in β-amyloid (1-42) injected rats

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme 2018-02-20 Disease mechanisms

    The gastrointestinal microbiota affects brain function, including memory and learning.

  2. Novel dual GLP-1/GIP receptor agonists show neuroprotective effects in Alzheimer's and Parkinson's disease models

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Neuropharmacology 2018-01-31 Drug development

    Type 2 diabetes is a risk factor for several chronic neurodegenerative disorders such as Alzheimer's or Parkinson's disease.

  3. Parkinson's disease from the gut

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Brain research 2018-01-31 Disease mechanisms

    Parkinson's disease (PD) is a debilitating neurodegenerative condition associated with tremor, rigidity, dementia, and gastrointestinal symptoms such as constipation, nausea and vomiting.

  4. Brain insulin resistance in type 2 diabetes and Alzheimer disease: concepts and conundrums

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Nature reviews. Neurology 2018-01-29 Risk factors

    Considerable overlap has been identified in the risk factors, comorbidities and putative pathophysiological mechanisms of Alzheimer disease and related dementias (ADRDs) and type 2 diabetes mellitus (T2DM), two of the most pressing epidemics of our time.

  5. Gut Microbiota is Altered in Patients with Alzheimer's Disease

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Journal of Alzheimer's disease : JAD 2018-01-01 Risk factors

    Previous studies suggest that gut microbiota is associated with neuropsychiatric disorders, such as Parkinson's disease, amyotrophic lateral sclerosis, and depression.

  6. Gut-brain Axis: Role of Lipids in the Regulation of Inflammation, Pain and CNS Diseases

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Current medicinal chemistry 2018-01-01 Disease mechanisms

    The human gut is a composite anaerobic environment with a large, diverse and dynamic enteric microbiota, represented by more than 100 trillion microorganisms, including at least 1000 distinct species.

  7. Microbiota Signaling Pathways that Influence Neurologic Disease

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics 2018-01-01 Disease mechanisms

    Though seemingly distinct and autonomous, emerging evidence suggests there is a bidirectional interaction between the intestinal microbiota and the brain.

  8. Exenatide exerts cognitive effects by modulating the BDNF-TrkB neurotrophic axis in adult mice

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Neurobiology of aging 2017-12-19 Drug development

    Modulation of insulin-dependent signaling is emerging as a valuable therapeutic tool to target neurodegeneration.

  9. Metformin treatment prevents amyloid plaque deposition and memory impairment in APP/PS1 mice

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Brain, behavior, and immunity 2017-12-15 Drug development

    Alzheimer'sdisease(AD) is characterized by deposition of amyloid-β (Aβ)plaques, neurofibrillary tangles, andneuronal loss, accompaniedbyneuroinflammation.

  10. Alzheimer's disease and gut microbiota modifications: The long way between preclinical studies and clinical evidence

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Pharmacological research 2017-12-09 Disease mechanisms

    Recent studies have suggested the role of an infectious component in the pathogenesis of Alzheimer's disease (AD).

  11. Lixisenatide reduces amyloid plaques, neurofibrillary tangles and neuroinflammation in an APP/PS1/tau mouse model of Alzheimer's disease

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Biochemical and biophysical research communications 2017-11-22 Drug development

    Type 2 diabetes mellitus (T2DM) has been identified as a high risk factor for Alzheimer's disease (AD).

  12. Protective roles of intestinal microbiota derived short chain fatty acids in Alzheimer's disease-type beta-amyloid neuropathological mechanisms

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Expert review of neurotherapeutics 2017-11-14 Disease mechanisms

    Our studies support the hypothesis that intestinal microbiota may help protect against AD, in part, by supporting the generation of select SCFAs, which interfere with the formation of toxic soluble Aβ aggregates.

  13. Biochemical and cellular properties of insulin receptor signalling

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Nature reviews. Molecular cell biology 2017-10-04 Risk factors

    The mechanism of insulin action is a central theme in biology and medicine.

  14. The Glia-Neuron Lactate Shuttle and Elevated ROS Promote Lipid Synthesis in Neurons and Lipid Droplet Accumulation in Glia via APOE/D

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Cell metabolism 2017-09-28 Genetics

    Elevated reactive oxygen species (ROS) induce the formation of lipids in neurons that are transferred to glia, where they form lipid droplets (LDs).

  15. Recent developments in understanding the role of the gut microbiota in brain health and disease

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Annals of the New York Academy of Sciences 2017-08-02 Disease mechanisms

    There is a growing appreciation of the role of the gut microbiota in all aspects of health and disease, including brain health.

  16. Anti-Alzheimer Properties of Probiotic, Lactobacillus plantarum MTCC 1325 in Alzheimer's Disease induced Albino Rats

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Journal of clinical and diagnostic research : JCDR 2017-08-01 Disease mechanisms

    The study revealed that, L. plantarum MTCC1325 might have anti-Alzheimer properties against D-Galactose induced Alzheimer's disease.

  17. Microbiome, probiotics and neurodegenerative diseases: deciphering the gut brain axis

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Cellular and molecular life sciences : CMLS 2017-06-22 Disease mechanisms

    The gut microbiota is essential to health and has recently become a target for live bacterial cell biotherapies for various chronic diseases including metabolic syndrome, diabetes, obesity and neurodegenerative disease.

  18. Brain GLP-1/IGF-1 Signaling and Autophagy Mediate Exendin-4 Protection Against Apoptosis in Type 2 Diabetic Rats

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Molecular neurobiology 2017-06-02 Drug development

    Chronic Ex-4 treatment attenuated peripheral features of T2D in GK rats, including hyperglycemia and insulin resistance.

  19. Targeting Free Radicals in Oxidative Stress-Related Human Diseases

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Trends in pharmacological sciences 2017-05-24 Disease mechanisms

    Cancer and Alzheimer's disease (AD) are characterized by (i) opposing biological mechanisms, (ii) an inverse correlation between their incidences, and (iii) oxidative stress being a common denominator of both diseases.

  20. Brain metabolism in health, aging, and neurodegeneration

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. The EMBO journal 2017-04-24 Disease mechanisms

    Brain cells normally respond adaptively to bioenergetic challenges resulting from ongoing activity in neuronal circuits, and from environmental energetic stressors such as food deprivation and physical exertion.

  21. Docosahexaenoic acid (DHA): An essential nutrient and a nutraceutical for brain health and diseases

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Prostaglandins, leukotrienes, and essential fatty acids 2017-03-10 Brain scans and imaging

    Docosahexaenoic acid (DHA), a polyunsaturated fatty acid (PUFA) enriched in phospholipids in the brain and retina, is known to play multi-functional roles in brain health and diseases.

  22. A novel GLP-1/GIP dual receptor agonist protects from 6-OHDA lesion in a rat model of Parkinson's disease

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Neuropharmacology 2017-02-20 Drug development

    The incretins glucagon-like peptide 1 (GLP-1) and glucose dependent insulinotropic polypeptide (GIP) are growth factors that have shown neuroprotective effects in animal models of Parkinson's and Alzheimer's disease.

  23. Altered Gut Microbiota in a Mouse Model of Alzheimer's Disease

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Journal of Alzheimer's disease : JAD 2017-01-01 Disease mechanisms

    The topic of gut microbiota is currently attracting considerable interest as a potential factor in Alzheimer's disease (AD).

  24. Altered Gut Microbiome Composition and Tryptic Activity of the 5xFAD Alzheimer's Mouse Model

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Journal of Alzheimer's disease : JAD 2017-01-01 Disease mechanisms

    The regulation of physiological gut functions such as peristalsis or secretion of digestive enzymes by the central nervous system via the Nervus vagus is well known.

  25. Alzheimer's Disease Histological and Behavioral Manifestations in Transgenic Mice Correlate with Specific Gut Microbiome State

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Journal of Alzheimer's disease : JAD 2017-01-01 Disease mechanisms

    Alzheimer's disease (AD) is a neurodegenerative brain disease and is the most common form of dementia.

From across this topic

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