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La frecuencia de la eyaculación y el riesgo subsiguiente de cáncer de próstata
Michael F Leitzmann1, Elizabeth A Platz, Meir J Stampfer
1Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Md 20892, USA. leitzmann@mail.nih.gov
JAMA
|April 8, 2004
Resumen
Una mayor frecuencia de eyaculación puede estar asociada con un menor riesgo de cáncer de próstata. Este estudio prospectivo no encontró ninguna relación entre la frecuencia de la eyaculación y el aumento del riesgo de cáncer de próstata.
Área de la Ciencia:
- Epidemiología La epidemiología.
- Urología Urología Urología.
- Oncología Oncología.
Sus antecedentes:
- Estudios previos sobre la actividad sexual y el cáncer de próstata están limitados por el sesgo de recuerdo.
- Este estudio aborda las limitaciones de la investigación previa mediante el uso de un diseño prospectivo.
Objetivo del estudio:
- Para investigar la asociación entre la frecuencia de la eyaculación y el riesgo de cáncer de próstata.
- La frecuencia de la eyaculación abarca las relaciones sexuales, las emisiones nocturnas y la masturbación.
Principales métodos:
- Estudio de cohorte prospectivo (Estudio de seguimiento de profesionales de la salud) de 1992-2000.
- 29.342 hombres estadounidenses de entre 46 y 81 años proporcionaron datos de frecuencia de eyaculación autoinformados.
- Los cuestionarios de seguimiento evaluaron la incidencia del cáncer de próstata durante 8 años.
Principales resultados:
- La alta frecuencia de eyaculación (≥21/mes) se relacionó con una disminución del riesgo de cáncer de próstata total.
- Se observó una reducción del riesgo en diferentes períodos de edad y promedios de por vida.
- No se encontró una asociación significativa entre la frecuencia de la eyaculación y el riesgo de cáncer de próstata avanzado.
Conclusiones:
- La frecuencia de la eyaculación no parece aumentar el riesgo de cáncer de próstata.
- Una mayor frecuencia de eyaculación puede estar asociada con un menor riesgo de desarrollar cáncer de próstata.
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