UPSC Notes

Impact of Digital Technology on Human Health

PYQs

5

Articles

1

Momentum

15

Phase IFoundation

Background

Overview

Understanding the societal and health implications of rapidly advancing technology is crucial for policy-making, public health initiatives, and addressing modern lifestyle diseases. It touches upon the balance between technological progress and human well-being.

Digital technologies, while offering numerous benefits, also present significant challenges to human health, particularly concerning cognitive function, mental well-being, and neurological health. Prolonged exposure to screens and the nature of digital engagement can alter brain pathways, disrupt natural physiological rhythms, and contribute to various health issues.

Phase IIStatic core

Facts & tables

Key facts

Brain Reward Pathways

Excessive screen use can alter the brain's reward pathways, potentially leading to addictive behavior.

Cognitive Engagement

Heavy dependence on digital devices may reduce active cognitive engagement, fostering passive information reception.

Melatonin Suppression

Screen exposure, especially in the evening, suppresses melatonin production, disrupting the body's circadian rhythm.

Brain Function Impairment

This disruption can impair the brain's ability to repair itself, consolidate memories, and process information during sleep.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaDigital Health
Conceptual areaCognitive Science
Conceptual areaPublic Health
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Multi-statement analysis

Prelims angle: Conceptual understanding

Quick revision

  • Excessive screen time alters brain reward pathways, potentially leading to addiction.
  • Reduces active cognitive engagement, promoting passive information consumption.
  • Evening screen exposure suppresses melatonin, disrupting circadian rhythm.
  • Disrupts sleep, impairing brain repair and memory consolidation.
  • Contributes to cognitive decline and neurological disorder risk.

High-confidence PYQs

Topic timeline

Digital HealthCognitive SciencePublic Health

Quality sleep key to protecting brain health amid rising screen time, say neurologists

22 Jul 2026 · Digital technology overuse, particularly screen time, negatively impacts brain health by altering reward pathways, reducing cognitive engagement, and disrupting sleep cycles through melatonin suppression, leading to cognitive decline and increased risk of neurological disorders.

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Current topic

Impact of Digital Technology on Human Health

Practice writing on this topic

UPSC has asked 5 linked questions on Impact of Digital Technology on Human Health in Mains. Write an answer to one — and get it evaluated.