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Soja verkleint de kans op baarmoederkanker.*
Uit een chinese studie van meer dan 5 jaar blijkt dat het
eten van veel sojaproducten, welke een rijke bron van isoflavonen en vezels
zijn, de kans op baarmoederkanker aanzienlijk verlaagd. In Aziatische landen
waar veel soja gebruikt wordt is de kans op baarmoederkanker wel 10x keer
kleiner dan in de rest van de wereld.
Soya food intake and risk of
endometrial cancer among Chinese women in Shanghai: population based
case-control study BMJ Volume 328, pp 1285-8
Regular intake of soya foods is
associated with a reduced risk of endometrial cancer (cancer affecting the
lining of the womb), finds a study among Chinese women in this week's BMJ.
Soya foods are a rich source of
isoflavones, a major group of phytoestrogens, which act like oestrogen in the
body. They also contain high amounts of dietary fibre.
Researchers interviewed 832
women who were diagnosed with endometrial cancer between 1997 and 2001 and were
between the ages of 30 and 69 years in Shanghai, China. A further 846 healthy
women of the same age were randomly selected as a control group. Soya food
intake over five years was measured and current body measurements were taken.
Regular consumption of soya
foods was associated with a reduced risk of endometrial cancer, particularly
among overweight women.
Rates of endometrial cancer
vary more than 10-fold worldwide. Asian women have a lower incidence of
endometrial cancer and eat more soya food than their Western counterparts. These
findings suggest that dietary factors may play an important role in this
international variation, say the authors.
The indication that overweight women may benefit more from increased soya food intake needs to be verified in future studies, they conclude. (mei 2004)