Metformin works by reducing the amount of glucose that the body produces and absorbs. This can help to lower blood sugar levels, which is important for people with diabetes. However, metformin also has other effects on the body, including:
- Inhibiting cell growth: Metformin can inhibit the growth of cancer cells. This is thought to be due to its ability to reduce the amount of insulin that is produced. Insulin is a growth factor for cancer cells, so by reducing insulin levels, metformin can help to slow the growth of cancer cells.
- Inducing cell death: Metformin can also induce cell death in cancer cells. This is thought to be due to its ability to damage the DNA of cancer cells. When the DNA of a cell is damaged, the cell can no longer function properly and eventually dies.
- Boosting the immune system: Metformin can also boost the immune system. This is thought to be due to its ability to increase the number of white blood cells in the body. White blood cells are responsible for fighting infection, so by increasing the number of white blood cells, metformin can help the body to fight cancer.
There have been a number of studies that have looked at the effects of metformin on breast cancer. One study, which was published in the journal Cancer Prevention Research, found that women who took metformin were less likely to develop breast cancer than women who did not take metformin. Another study, which was published in the journal Nature Medicine, found that metformin could help to prevent the spread of breast cancer to other parts of the body.
While the research on metformin and breast cancer is still ongoing, the results so far are promising. Metformin may be a potential new treatment for breast cancer, or it may be able to be used to prevent breast cancer from developing in the first place.
It is important to note that metformin is not a cure for breast cancer. However, it may be a helpful addition to other treatments, such as chemotherapy and radiation therapy. If you are considering taking metformin for breast cancer, it is important to talk to your doctor. They can help you to determine if metformin is right for you and can answer any questions that you may have.
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