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Infant diarrhoea and subsequent mortality from heart disease and cancer
Insights
Infant mortality from diarrhea and enteritis in early US birth cohorts was linked to later-life heart disease and respiratory cancer. This suggests early life health impacts long-term mortality risks.
Area of Science:
- Epidemiology
- Public Health
- Historical Demography
Background:
- Infant mortality rates provide insights into population health.
- Early life conditions can influence long-term health outcomes.
Purpose of the Study:
- To examine the relationship between infant mortality and later-life mortality in US birth cohorts.
- To investigate the specific impact of infant mortality from diarrhea and enteritis on subsequent mortality.
Main Methods:
- Analysis of US birth cohorts from 1917-1921.
- Statistical examination of infant mortality data and later-life mortality records.
- Controlling for contemporary infant mortality rates.
Main Results:
- Infant mortality from diarrhea and enteritis showed a significant association with arteriosclerosis heart disease in both sexes at ages 40-44 and 50-54.
- A significant relationship was found between infant diarrhea and enteritis mortality and respiratory cancer in men at the same adult ages.
- These associations persisted after controlling for overall contemporary infant mortality.
Conclusions:
- Infant mortality due to gastrointestinal infections like diarrhea and enteritis may be a predictor of specific adult diseases.
- Early life health, particularly infectious disease burden, can have lasting effects on mortality patterns.
- Further research is warranted to explore the mechanisms linking early infectious disease to chronic adult conditions.
Abstract:
A preliminary examination of the relationship between the infant mortality of US birth cohorts and their mortality in later life suggested that infant mortality from diarrhoea and enteritis was particularly influential. In the 1917-21 birth cohorts of 17 US Registration States, infant mortality from diarrhoea and enteritis was significantly related to arteriosclerosis heart disease at ages 40-44 and 50-54 in both sexes, and to respiratory cancer at the same ages in men, after controlling for contemporary infant mortality. Hypotheses suggest by these relationships are put forward.