A new study published in the scientific journal Brain Research found that oral contraceptives increase the size of specific areas of women's brains.
While the study only examined a small sample (14 men and 28 women), the results were conclusive. The women's brains were scanned at various times during a one month period to account for hormonal fluctuation. In the women using the pill, several areas of the brain were larger. The results were the same despite how long the women were on the pill or what brand they were using.
The growth occurred in regions of the brain that are