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Related Concept Videos

Methods Of Healthcare Delivery System01:26

Methods Of Healthcare Delivery System

At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is limited...
Primary Healthcare Services01:30

Primary Healthcare Services

Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
International Nursing Organizations II01:28

International Nursing Organizations II

The World Health Organization (WHO) is a specialized agency of the United Nations based in Geneva. The WHO has many initiatives that center around health. Primarily, they lead global efforts to expand universal health coverage using science-based policies and programs. They are also responsible for shaping health research agendas and developing norms and standards.
The WHO provides expert team support, including funding, vaccines, testing, and treatment tools at the country level to fight...
Dimensions of Health and Illness01:21

Dimensions of Health and Illness

The factors influencing the health-illness continuum can be internal or external and may or may not be under conscious control. They are related to the following eight human dimensions, and each dimension is interrelated to one other.
Sustainable Development01:43

Sustainable Development

As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
Population Growth00:57

Population Growth

Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.However, realistic environmental conditions limit the number of...

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Related Experiment Video

Updated: Jun 5, 2026

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

Promoting global population health while constraining the environmental footprint.

A J McMichael1, C D Butler

  • 1National Centre for Epidemiology and Population Health, The Australian National University, Canberra, ACT, Australia. tony.mcmichael@anu.edu.au

Annual Review of Public Health
|January 12, 2011
PubMed
Summary

Human-induced environmental changes pose global health risks. Sustainable practices can improve population health while reducing ecological footprints.

Related Experiment Videos

Last Updated: Jun 5, 2026

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

Area of Science:

  • Environmental Science
  • Global Health
  • Sustainability Studies

Background:

  • Human activities driving environmental change, including climate change and biodiversity loss, increasingly threaten global population health.
  • Economic growth and technological advancements, while historically improving health, now contribute to an unsustainable environmental footprint that jeopardizes well-being.
  • A correlation exists between population affluence, per-person environmental footprint, and health outcomes, with diminishing returns beyond a certain threshold.

Purpose of the Study:

  • To analyze the complex relationship between human-induced environmental changes and global population health.
  • To investigate the impact of economic development and environmental footprints on health metrics.
  • To explore the potential for achieving both ecological sustainability and improved global health.

Main Methods:

  • Analysis of international data correlating population health with affluence and per-person environmental footprints.
  • Review of scientific literature on environmental degradation and its health consequences.
  • Examination of case studies demonstrating health improvements in lower-income countries with sustainable practices.

Main Results:

  • Environmental degradation and unsustainable human footprints are significant threats to global health.
  • Beyond a certain level of affluence, increased environmental footprints yield minimal health benefits and can be detrimental.
  • Some lower-income nations demonstrate that high health levels can be achieved with smaller environmental impacts.

Conclusions:

  • Transitioning to ecological and social sustainability offers co-benefits for local and global health.
  • Global health improvement is achievable concurrently with an equitably distributed and reduced global environmental footprint.
  • Rethinking development paradigms is crucial for reconciling human well-being with planetary health.