Desk Reports ; If you have been taking birth control pills either to treat irregular periods, cramps, acne, PCOS, endometriosis or other conditions here’s the news for you! A new study by researchers studying the brain found that women taking oral contraceptives, commonly known as birth control pills, had significantly smaller hypothalamus volume, compared to women not taking the pill.

Located at the base of the brain above the pituitary gland, the hypothalamus produces hormones and helps regulate essential bodily functions including body temperature, mood, appetite, sex drive, sleep cycles and heart rate. The study was presented at the 105th Scientific Assembly and Annual Meeting of the Radiological Society of North America-RSNA 2019.

Structural effects of sex hormones, including oral contraceptive pills, on the human hypothalamus, have never been reported, according to the researchers. This may be in part because validated methods to quantitatively analyze MRI exams of the hypothalamus have not been available.

Michael L. Lipton, M.D., Ph.D., FACR, professor of radiology at the Gruss Magnetic Resonance Research Center said, “There is a lack of research on the effects of oral contraceptives on this small but essential part of the living human brain, we validated methods for assessing the volume of the hypothalamus and confirm, for the first time, that current oral contraceptive pill usage is associated with smaller hypothalamic volume.”

In his study, Dr Lipton and colleagues recruited a group of 50 healthy women, including 21 women who were taking oral contraceptives. All 50 women underwent brain MRI, and a validated approach was used to measure hypothalamic volume.

“We found a dramatic difference in the size of the brain structures between women who were taking oral contraceptives and those who were not,” Dr Lipton said. “This initial study shows a strong association and should motivate further investigation into the effects of oral contraceptives on brain structure and their potential impact on brain function.”

Other findings from the study, which Dr Lipton described as “preliminary,” were that smaller hypothalamic volume was also associated with greater anger and showed a strong correlation with depressive symptoms. However, the study found no significant correlation between hypothalamic volume and cognitive performance.

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