La exposición al humo del tabaco en el ambiente parece incrementar el riesgo de desarrollar cáncer de cuello uterino, aunque en menor medida que el tabaquismo activo, según un artículo publicado en "Obstetrics & Gynecology" por investigadores de la John Hopkins University.
Su estudio incluyó a cerca de 25.000 mujeres, que fueron entrevistados sobre su condición tabáquica en 1963, y a unas 26.000 entrevistadas en 1975, y se analizaron datos de un registro de cáncer para determinar la incidencia de tumores cervicales en ambos grupos.
Los resultados muestran que el tabaquismo pasivo aumentó el riesgo de cáncer de cuello uterino en 2,1 veces en el grupo entrevistado en 1963, y en 1,4 veces en el entrevistado en 1975. Entre las fumadoras, el riesgo se multiplicó por 2,6 y 1,7, respectivamente.
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Johns Hopkins University
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