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Quantification of Self-renewal in Murine Mammosphere Cultures
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7 mil millones y contando
1Department of Global Health and Population, Harvard School of Public Health, Harvard University, Boston, MA 02115, USA. dbloom@hsph.harvard.edu
Science (New York, N.Y.)
|July 30, 2011
Resumen
La población mundial está cambiando rápidamente debido a los cambios en la mortalidad y la fertilidad, y el crecimiento futuro se concentrará en los países en desarrollo. Los aumentos históricos de la población no han sido económicamente desastrosos y pueden fomentar la prosperidad.
Área de la Ciencia:
- Demografía La demografía es la demografía.
- Estudios de la población Estudios de la población
- Sociología Sociología Sociología.
Sus antecedentes:
- El mundo está experimentando cambios demográficos sin precedentes.
- Las reducciones significativas en la mortalidad y la fertilidad han llevado a un rápido crecimiento de la población.
- La población mundial se duplicó entre 1960 y 2000, con nuevos aumentos proyectados.
Objetivo del estudio:
- Analizar los impactos históricos y proyectados de los cambios demográficos en el bienestar global.
- Examinar las consecuencias económicas de la dinámica de la población.
- Explorar las intervenciones políticas para mediar las repercusiones demográficas.
Principales métodos:
- Análisis de los datos demográficos históricos (mortalidad, tasas de fertilidad).
- Revisión de las tendencias económicas en relación con los cambios de población.
- Proyección del crecimiento futuro de la población y su distribución.
Principales resultados:
- El crecimiento histórico de la población no ha llevado a una catástrofe económica.
- Los cambios en la estructura de edad de la población presentan oportunidades para una mayor prosperidad.
- Se espera que los futuros aumentos de la población se concentren en los países menos adelantados.
Conclusiones:
- Los cambios demográficos tienen un profundo impacto en el bienestar y el progreso humanos.
- La dinámica de la población ofrece posibles vías para mejorar la prosperidad.
- Las intervenciones políticas pueden ayudar a gestionar las repercusiones de los cambios demográficos.
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