Study Links Macromastia to Increased Risk of Migraine, Neck Pain, and Sleep Apnea

Dr. Kristyn Pocock, the lead author and assistant professor of neurology at Wake Forest University School of Medicine, stated, “Many people think of enlarged breast tissue primarily as a cosmetic issue, but our findings suggest it may be associated with a broader range of women’s health concerns.”

The study analyzed medical records from 687 women treated at headache and neurology clinics associated with Stanford Medical Center between 2017 and 2024, comparing 347 women with macromastia to 340 without. After adjusting for variables such as age, body mass index (BMI), depression, and anxiety, researchers found that women with macromastia were: 40% more likely to experience chronic migraines, roughly twice as likely to have neck pain, 54% more likely to suffer from obstructive sleep apnea, and more than twice as likely to develop cervical radiculopathy, which is caused by nerve irritation in the neck.

The findings raise questions about the health implications of macromastia, though the study's retrospective nature means it does not establish causation. Pocock emphasized the need for further research to explore how treatment of macromastia could alleviate symptoms.

There are various potential explanations for why macromastia might be linked to these health conditions. The added weight from larger breasts could increase strain on the neck and upper back, leading to musculoskeletal pain and nerve irritation. Other factors, such as inflammation, hormonal changes, mood fluctuations, and sleep quality, may also play a role.

The research looked into breast reduction surgery as a treatment option. While neck pain was significantly associated with those undergoing the procedure, other symptoms like migraines and sleep apnea did not show a similar correlation. This suggests some health issues related to macromastia may go unaddressed in treatment discussions.

Preliminary evidence suggests that breast reduction may help alleviate headaches, with a small prospective pilot study showing that 79% of women experiencing headaches related to macromastia reported reduced headache days post-surgery. However, larger studies are required to solidify these findings.

Sherry Ross, MD, an OB-GYN, advised that women with chronic pain due to macromastia may consider breast reduction surgery, noting that in her extensive practice, she has never encountered anyone regretting the procedure. She emphasized the importance of a thorough evaluation of symptoms with a healthcare provider to determine the most suitable treatment approach, whether through surgery or alternative methods such as physical therapy or proper bra support.

Additionally, Dr. Ross recommended exercises and fitness clothing that accommodate larger breasts, stressing the importance of proper fitting for both comfort and health.