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Un mayor número de años de estudio está asociado con un menor riesgo de mortalidad por cáncer, según sugiere un estudio de investigadores de la Sociedad Americana del Cáncer que se publica en el "Journal of National Cancer Institute".
El estudio descubrió que los niveles de educación superior están fuertemente asociados con una disminución de la mortalidad por cáncer en varones de raza negra y en varones y mujeres de raza blanca. La diferencia en la mortalidad en todos los grupos fue mayor entre aquellos con 12 o menos años de educación y aquellos con más de 12 años.
La investigación también ha permitido observar por primera vez que las mujeres blancas con mayor nivel de educación tienen menores tasas de mortalidad por cáncer de mama que aquellas con menos años de educación, que invierte el patrón histórico de que las mujeres con más años de estudios son más propensas a desarrollar y morir de cáncer de mama debido a que retrasan su maternidad y otros factores de riesgo reproductivo.
Journal of National Cancer Institute 2007;10.1093/jnci/djm127