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Related Concept Videos

Dementia01:30

Dementia

216
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.
The progression of dementia is generally gradual....
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Alzheimer's Disease: Overview01:26

Alzheimer's Disease: Overview

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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.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
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Psychoneuroimmunology: Diabetes and Cancer01:19

Psychoneuroimmunology: Diabetes and Cancer

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Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
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Alzheimer's Disease: Treatment01:22

Alzheimer's Disease: Treatment

293
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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Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

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Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
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Parkinson's Disease: Overview01:15

Parkinson's Disease: Overview

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Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
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Updated: Oct 14, 2025

Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
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Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses

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COVID-19 and Dementia.

Shiv K Sharma1

  • 1National Brain Research Centre, Manesar, Haryana, India.

Annals of Neurosciences
|November 4, 2021
PubMed
Summary
This summary is machine-generated.

The COVID-19 pandemic has led to neurological issues in many patients. This review examines the impact of coronavirus disease 2019 on individuals with dementia.

Keywords:
COVID-19CoronavirusSARS-CoV-2dementiasevere acute respiratory syndrome coronavirus 2

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Public Health

Background:

  • The COVID-19 pandemic, caused by an RNA virus, presents significant global health challenges.
  • Neurological manifestations are increasingly recognized in patients with COVID-19.
  • Dementia prevalence is rising, posing a growing public health concern.

Purpose of the Study:

  • To review the neurological effects of COVID-19, specifically in patients with dementia.
  • To synthesize current understanding of COVID-19's impact on neurocognitive disorders.

Main Methods:

  • Literature review of studies on COVID-19 and dementia.
  • Analysis of reported neurological complications in COVID-19 patients with pre-existing dementia.

Main Results:

  • COVID-19 can exacerbate cognitive decline in dementia patients.
  • Neurological symptoms associated with COVID-19 may overlap with dementia progression.
  • The pandemic presents unique challenges for managing dementia care.

Conclusions:

  • COVID-19 poses a significant risk to dementia patients, potentially worsening their condition.
  • Further research is needed to understand and mitigate the long-term neurological consequences of COVID-19 in this vulnerable population.
  • Effective management strategies are crucial for dementia patients during the COVID-19 pandemic.