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Related Concept Videos

Alzheimer's Disease: Treatment01:22

Alzheimer's Disease: Treatment

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Alzheimer's Disease (AD), a neurodegenerative disorder, is pathologically identified by amyloid plaques and neurofibrillary tangles composed of tau protein. AD pharmacotherapy aims to manage cognitive symptoms, delay disease progression, and treat behavioral symptoms. The treatment is primarily symptomatic and palliative, with no definitive disease-modifying therapy available. Cholinesterase inhibitors, including donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne), are...
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Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
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Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
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Cancer Prevention02:59

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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists01:30

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Cognitive enhancers, also known as "smart drugs," are substances used to enhance memory, mental alertness, and concentration. These can be natural or synthetic and improve cognition in conditions like Alzheimer's disease (AD) and other neurodegenerative diseases. Some common examples include caffeine, amphetamines, methylphenidate, modafinil, arecoline, donepezil, vortioxetine, and piracetam. These enhancers work on the principle of synaptic plasticity and altered circuit function.
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Parkinson's Disease: Treatment01:24

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Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
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Updated: Feb 17, 2026

Author Spotlight: Exploring Acupuncture in Alzheimer's Research from Thread-Embedding Techniques to Clinical Trials
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Tea for Alzheimer Prevention.

L Feng1, M-S Chong, W-S Lim

  • 1Lei Feng (pcmfl@nus.edu.sg), Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore (NUS) and National University Health System (NUHS), Tel: +65 67723491 Fax: +65 67772191.

The Journal of Prevention of Alzheimer'S Disease
|December 13, 2017
PubMed
Summary
This summary is machine-generated.

Tea consumption may benefit cognitive function and potentially delay Alzheimer's disease (AD). However, current evidence is conflicting, necessitating further research to confirm tea's role in preventing AD.

Keywords:
Alzheimer’s diseaseTeaagingcognitive declinedementiaprevention

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Area of Science:

  • Neuroscience
  • Public Health
  • Nutritional Science

Background:

  • Growing evidence suggests health benefits of tea drinking, particularly for cognitive function.
  • There is significant interest in tea's potential to prevent or delay Alzheimer's disease (AD).

Purpose of the Study:

  • To review the current evidence on the association between tea drinking and cognitive health, specifically concerning Alzheimer's disease.
  • To assess the potential of tea consumption as a lifestyle measure for AD prevention.

Main Methods:

  • Analysis of cross-sectional and longitudinal human studies.
  • Review of published longitudinal analyses on clinical outcomes and small intervention trials.

Main Results:

  • Cross-sectional studies consistently show tea drinking is linked to better cognitive test performance.
  • Longitudinal data provides support, but clinical outcome studies report conflicting results regarding AD risk reduction.
  • Preliminary trial data is encouraging but requires further investigation.

Conclusions:

  • Existing evidence is insufficient to definitively conclude tea drinking prevents Alzheimer's disease.
  • Further long-term longitudinal studies and randomized controlled trials are needed.
  • Future research should incorporate biomarkers for tea consumption and AD to elucidate mechanisms.