A new study demonstrates how machine learning algorithms use MRI to predict how quickly a person ages and, as a result, how likely they are to develop age-related diseases. (Image credit: Rajaaisya/Science Photo Library via Getty Images)
In a new study, scientists say they can now estimate how quickly your entire body ages based on a single scan of your brain.
The researchers, who published their findings July 1 in the journal Nature Aging, created a standardized index of biological aging based on brain MRI data. The team says the tool can predict a person’s potential risk of cognitive decline and dementia, as well as chronic diseases such as cardiovascular disease, physical frailty, and premature death.
“Our work offers a new approach to measuring how quickly an individual ages at any given time using MRI data from a single brain,” said lead author Ahmad Hariri, a professor of psychology and neuroscience at Duke University. “Accelerated aging increases the risk of a host of diseases, including diabetes, heart disease, stroke, and dementia,” he added in an email to Live Science.
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