Alzheimer’s Disease

Alzheimer's Disease is a progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and behavioural impairment.

Alzheimer's Disease
Table of Contents

Alzheimer’s Disease Latest News

A novel smartphone-enabled platform employing afluorescence-responsive tiny molecule as a probe offers a simple, cost-effective, and accessible approach for the detection of the Alzheimer’s disease (AD) biomarker amyloid-β (Aβ). 

About Alzheimer’s Disease

  • It is a progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and behavioural impairment.
    • Central to its pathology is the misfolding and aggregation of amyloid-β (Aβ), which self-assembles into fibrils and deposits as extracellular plaques that trigger neurotoxic cascades leading to synaptic dysfunction and neurodegeneration.
  • It is the most common cause of dementia, accounting for 60-80% of all dementia cases worldwide.
  • The disease disrupts communication between brain cells, leading to a decline in cognitive and functional abilities.
  • It usually affects people aged 65 years and over.
  • Cause: The exact cause of Alzheimer’s disease is not fully understood, but it is believed to be influenced by a combination of genetic, environmental, and lifestyle factors.
  • Symptoms
    • The early signs of the disease include forgetting recent events or conversations.
    • Over time, it progresses to serious memory problems and loss of the ability to perform everyday tasks.
  • Treatment: There’s no cure for Alzheimer’s, but certain medications and therapies can help manage symptoms temporarily.

Source: PIB

Update Icon
Latest UPSC Exam 2026 Updates

Date IconLast updated on Sep, 2026

UPSC 2027 Notification will be released on 13 January 2027 at upsconline.nic.in.

→ Check out the latest UPSC Syllabus here.

→ Download UPSC Model Answers for Mains 2026

UPSC Mains Question Paper 2026 is out now for Essay & GS Paper 1, 2, 3 & 4.

UPSC Calendar 2027 has been released.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2027 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s UPSC Mentorship Program 2027 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

→ Go through the UPSC Mains Previous Year Papers to enhance your preparation.

→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.

→ Also check Best UPSC Coaching in India

Alzheimer's Disease FAQ's

Q1. What is Alzheimer's Disease?+

Q2. What are the two pathological hallmarks of Alzheimer's Disease?+

Tags: alzheimer's disease

Vajiram Content Team
At Vajiram & Ravi, our team includes subject experts who have appeared for the UPSC Mains and the Interview stage. With their deep understanding of the exam, they create content that is clear, to the point, reliable, and helpful for aspirants.Their aim is to make even difficult topics easy to understand and directly useful for your UPSC preparation—whether it’s for Current Affairs, General Studies, or Optional subjects. Every note, article, or test is designed to save your time and boost your performance.
UPSC GS Course 2027
UPSC GS Course 2027
₹1,80,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹65000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹27000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹14000
Enroll Now
Enquire Now