Black cohosh: Another herbal med shot down

One by one, evidence is shooting down herbal remedies. This time, it’s black cohosh for hot flashes:

In a study comparing black cohosh alone or with other botanical therapies with hormone therapy or placebo, there were no significant differences in vasomotor symptom frequency or intensity between women who received black cohosh or placebo, revealed the Herbal Alternatives for Menopause (HALT) trial.