At the end of 1 month, the rats in the Mozart group were much faster at running the maze than were the rats in the other two groups. It must be remembered that the WHI data on which the concerns were ...At the end of 1 month, the rats in the Mozart group were much faster at running the maze than were the rats in the other two groups. It must be remembered that the WHI data on which the concerns were raised related to overweight North American women in their mid-sixties and not to the women that are treated with HRT for their menopausal symptoms in the United Kingdom, who are usually around the age of menopause, namely 45–55 years.