Breast cancer survivors may have lower risk of developing Alzheimer’s disease, study finds

Breast cancer survivors may have lower risk of developing Alzheimer’s disease, study finds

Radiation therapy linked to 23% reduction in dementia risk, but experts note limitations

A new study suggests that cancer treatment could reduce the risk of dementia for some patients. (iStock)

Overall, the breast cancer survivors — particularly those who were 65 and older — showed an 8% lower risk of dementia within the five years following treatment. (iStock)

Approximately 7.2 million Americans aged 65 and older are currently living with Alzheimer's, according to the Alzheimer's Association. (iStock)

Those who received radiation therapy showed the most risk reduction, the researchers found. (iStock)