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Black cohosh no better than placebo against hot flushes, finds new ...

... The participants kept diaries, recording the frequency and intensity of their hot flushes at the start of the trial and at three, six, and 12 months.

At three months the diaries recorded hot flush frequency to be down by 35 per cent with black cohosh, 15 per cent with the multibotanical, 30 per cent with the multibotanical plus dietary counselling, 21 per cent with the placebo, and 88 per cent with hormone therapy.

The findings were similar at six and 12 months.

The same pattern was found when the researchers used a menopause symptom score.

At three months, the frequency of hot flushes decreased 27 per cent with black cohosh, 14 per cent with the multibotanical, 23 per cent with the multibotanical plus soy, 15 per cent with the placebo, and 76 per cent with hormone therapy.

The findings were also similar at six and 12 months.

The authors noted that differences between the herbal regimens and the placebo were not significant but that the difference between the hormone therapy group and the other groups was considered important.

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