Urbanization and Health

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Urbanization Overview - City Slicker Stats

  • Urbanization Defined: Process of ↑ population proportion in urban areas, plus societal adaptation to this shift.
  • Global Scenario: >50% world population urban; developing countries show most rapid urbanization.
  • India - Urban Snapshot (Census 2011):
    • Urban Population: 31.16% (~377 million).
    • Projection (by 2036): ~40% (~600 million).
    • Metropolitan Cities (million+): 53.
  • Main Drivers in India: Rural-urban migration (jobs, services), natural increase, rural area reclassification.

Urban Area (Census India): Statutory towns OR: min. 5,000 pop.; density ≥400/km²; & ≥75% male main non-agri. workers.

Health's Urban Maze - Double-Edged Sword

Urbanization: a double-edged sword impacting community health significantly.

Positive Impacts ("Promise"):

  • Improved access: healthcare facilities, specialists, education.
  • Better economic opportunities: potential for ↑ income, nutrition.
  • Enhanced infrastructure: potentially better water, sanitation (variable).
  • Increased health awareness & health-seeking behaviors.

Negative Impacts ("Peril"):

  • Overcrowding & slums: rapid spread of communicable diseases (TB, cholera).
  • Environmental pollution: air, water, noise → respiratory illnesses, cancers, NCDs.
  • Lifestyle changes: sedentary habits, unhealthy diets → ↑ obesity, diabetes, hypertension.
  • Mental health issues: stress, social isolation, substance abuse.
  • Increased risk: accidents, injuries, violence.
  • Strain on resources: water, sanitation, housing shortages.

Urbanization: Contrasting Modern City and Overcrowded Slum

⭐ Urban areas often face a "double burden" of disease: persisting communicable diseases and rising non-communicable diseases (NCDs).

Urban Hotspots & Risks - Vulnerability Zones

  • Urban Hotspots (Vulnerability Zones): Concentrated health problem areas.
    • Slums & informal settlements: High density, poor housing & basic services.
    • Peri-urban areas: Unplanned growth, strained infrastructure, poor health access.
    • Industrial zones & areas near waste dumps: Pollutant & occupational hazard exposure.
  • Key Risks in these Zones:
    • Overcrowding: ↑ TB, ARIs, skin infections.
    • Poor WASH: ↑ diarrheal diseases, cholera, typhoid.
    • Pollution (air, water, soil): ↑ respiratory illness, NCDs, poisoning.
    • Waste mismanagement: ↑ dengue, malaria, chikungunya.
    • Social determinants: Poverty, food insecurity, violence, mental stress.
  • Highly Vulnerable Groups:
    • Urban poor, children <5, elderly, pregnant women, migrants, disabled.

    ⭐ Slums often exhibit a "triple burden" of disease: communicable diseases, non-communicable diseases (NCDs), and injuries/violence. Mother and child in urban slum

Fixing City Health - Urban Renewal Rx

Multi-pronged strategy vital for urban health revitalization:

  • National Urban Health Mission (NUHM):
    • Focus: Urban poor, slum dwellers.
    • Delivery: Strengthens UPHCs & UCHCs.
    • Workforce: Urban ASHA (USHA). ⭐> NUHM targets cities/towns with population >50,000.
  • Smart Cities Mission: Tech & smart infra for health solutions.
  • AMRUT (Atal Mission for Rejuvenation and Urban Transformation): Water supply, sewerage.
  • Swachh Bharat Mission (Urban) (SBM-U): Sanitation, hygiene, waste management.
  • Core Pillars:
    • Inter-sectoral coordination (WCD, housing).
    • Community participation & empowerment.
    • Strong health governance, finance, MIS.
    • Regulation of private sector.

Urban Healthcare Service Delivery Model

High‑Yield Points - ⚡ Biggest Takeaways

  • Urban area criteria (India): Pop. >5000, density >400/km², >75% male non-agricultural work.
  • Rapid urbanization in India presents unique health challenges.
  • Double burden of disease (communicable & NCDs) is prominent in urban settings.
  • Slums: High disease risk due to overcrowding, poor sanitation, and limited service access.
  • NUHM (National Urban Health Mission) focuses on health of the urban poor.
  • Major urban health issues: pollution, mental stress, accidents, and inequities.

Practice Questions: Urbanization and Health

Test your understanding with these related questions

In Ayushman Bharat under School Health Services, which of the following is not included?

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Flashcards: Urbanization and Health

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_____ committee is responsible for Urban revamping scheme

TAP TO REVEAL ANSWER

_____ committee is responsible for Urban revamping scheme

Krishnan

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