Many women experience major changes in their health after menopause. One of the most serious concerns is the increased risk of heart disease.
For years, experts believed this was mainly due to the drop in estrogen, a hormone that helps protect the heart. While this is still true, new research shows that the situation is more complicated than previously thought.
Scientists at Virginia Tech’s Fralin Biomedical Research Institute have discovered that menopause may also change how the body controls its genes. Their findings were published in the journal Cells and offer a new explanation for why conditions like heart disease and diabetes become more common after menopause.
Genes are part of our DNA and carry instructions for how the body works. However, these instructions are not always active. The body uses a system to control which genes are turned on or off at any given time. This system is called epigenetics.
The epigenetic system works like a set of switches. It can increase or decrease the activity of certain genes without changing the DNA itself. This system is important because it helps the body respond to changes in the environment, such as diet, stress, and aging.
The researchers found that the drop in estrogen during menopause may affect this system. When estrogen levels fall, the control of gene activity may change. This can influence important processes in the body, including how the heart and blood vessels function.
These changes may lead to higher levels of inflammation, problems with metabolism, and reduced flexibility in blood vessels. All of these factors are linked to an increased risk of heart disease.
Dr. Sumita Mishra, who led the study, explained that focusing only on hormone levels may not give the full picture. Instead, it is important to look at how hormone changes affect the body at a deeper level, including gene regulation.
The study also shows that many factors work together to influence health after menopause. Genetics, lifestyle, and environmental factors all play a role. For example, a person’s diet, level of physical activity, and existing health conditions can affect how these gene-related changes develop.
This new understanding has important implications for treatment. Instead of relying only on hormone replacement therapy, doctors may need to consider a wider range of strategies. Some current treatments may already be helping by influencing gene activity.
Medicines used to control cholesterol or blood sugar, for example, may also affect the pathways that regulate genes. Healthy lifestyle choices, such as regular exercise and a balanced diet, may also support better gene control and reduce disease risk.
The researchers also point out that more studies are needed, especially in humans. Much of the current knowledge comes from laboratory research, and it is important to see how these findings apply in real-life situations over time.
Future research will focus on how these gene-related changes are linked to specific diseases. One area of interest is a type of heart failure that is more common in women after menopause. This condition is closely related to metabolic health and remains difficult to treat.
In summary, this study suggests that menopause affects the body in more ways than previously understood. The drop in estrogen may trigger changes in how genes are controlled, which can increase the risk of heart disease and other conditions.
The findings offer a new way to think about women’s health after menopause. By understanding these deeper biological changes, scientists hope to develop more effective and targeted treatments in the future.
From a critical perspective, the study provides a strong new framework but is still limited by the lack of long-term human data. While the connection between estrogen, gene control, and heart health is convincing, more clinical studies are needed to confirm how these processes affect real patients over time.
Despite these limitations, the research opens an important new direction that could improve prevention and treatment strategies.
If you care about heart disease, please read studies that herbal supplements could harm your heart rhythm, and how eating eggs can help reduce heart disease risk.
For more health information, please see recent studies that apple juice could benefit your heart health, and results showing yogurt may help lower the death risks in heart disease.
Source: Virginia Tech.
