Researchers found that age-related changes in hormone levels and inflammation can significantly influence the development of estrogen receptor-positive (ER+) breast cancer. Using a rat model, they discovered that older rats developed more tumors after exposure to a carcinogen than younger rats. This suggests that the aging process creates a more favorable environment for tumor growth, particularly in postmenopausal women, who often experience shifts in estrogen levels and increased chronic inflammation.

For people concerned about aging well, these findings highlight the importance of understanding how hormonal changes and inflammation can affect cancer risk as we get older. The study specifically points to older women with ER+ breast cancer, showing that they have elevated levels of certain hormones and inflammatory markers, which may contribute to tumor growth. This means that managing inflammation and monitoring hormonal health could be crucial for older adults looking to reduce their cancer risk.

The research is based on a combination of animal studies and human patient data. While the rat model provides valuable insights into the biological mechanisms at play, the human data reinforces these findings, showing similar trends in hormone levels and inflammation among older women with breast cancer. However, more research is needed to establish definitive links and effective interventions.

To support healthy aging, consider discussing hormone levels and inflammation with your healthcare provider. Lifestyle factors such as diet, exercise, and stress management can also play a role in maintaining hormonal balance and reducing inflammation, which may help lower cancer risk as you age.

Source: nature.com