Overview
This lecture explores how racism contributes to health inequities throughout a person’s life, using a life course perspective to analyze key concepts such as age-patterned exposures, sensitive periods, latency, stress proliferation, and the impact of historical events.
Life Course Perspective and Racism
- Racism structures exposure to health risks and advantages from infancy through old age.
- Life course perspective emphasizes the role of social institutions and transitions (e.g., education, employment, incarceration) in shaping health inequities.
- Exposure to racism can change in type, intensity, and significance across different life stages.
Key Life Course Concepts
- Age-patterned exposures: Individuals enter and exit social systems at different ages, facing varying risks of discrimination.
- Sensitive periods: Some developmental stages (e.g., early childhood) are more vulnerable to the effects of racism and social stressors.
- Linked lives: Racism affects not only individuals but also their social networks, spreading indirect effects.
- Latency periods: The health effects of discrimination may be delayed, with some outcomes appearing years after exposure.
- Stress proliferation: Experiencing discrimination can lead to additional stressors, compounding negative health effects.
- Historical period/cohort: Social and political changes (e.g., Civil Rights Act, 9/11) impact health inequities differently across generations.
Evidence and Examples
- Discrimination prevalence and effects differ by age, setting, and context.
- Early exposure to poverty or discrimination has long-term negative outcomes, including mental and physical health issues.
- Discrimination can weaken or strengthen social ties and community solidarity.
- Studies show a longer latency for discrimination’s impact on physical versus mental health.
- Historical events can create or reduce health disparities, with effects varying by cohort.
Implications for Research and Policy
- Research should document how exposure to racism shifts across developmental stages and social transitions.
- Health policies and interventions addressing education, wealth, or rights can reduce health disparities linked to racism.
- Intergenerational effects of discrimination, including wealth and trauma, perpetuate inequities.
Key Terms & Definitions
- Life Course Perspective — A framework focusing on how age, social context, and historical period shape experiences and exposures.
- Age-patterned exposures — Age-related entry and exit from social systems, influencing when and how discrimination occurs.
- Sensitive Periods — Developmental windows when exposure to risks like racism has heightened long-term effects.
- Linked Lives — The concept that one person's experiences (e.g., discrimination) can directly affect others in their network.
- Latency Period — The time between exposure to a risk and the manifestation of health outcomes.
- Stress Proliferation — The process by which one stressor (such as discrimination) generates additional stressors.
- Period and Cohort Effects — How historical events and generational differences shape exposure to and effects of discrimination.
Action Items / Next Steps
- Study how experiences of racism change across life stages and social transitions.
- Analyze the impact of historical events on health disparities.
- Investigate interventions that address structural factors like education and wealth to reduce health inequities.