An odor in urine can signal whether a person is likely to develop Alzheimer’s disease, scientists revealed.
A unique smell appears just before significant dementia-related changes in brain pathology, a new study found.
The identification of this early Alzheimer’s biomarker could help physicians diagnose the debilitating disease before the onset of brain decline and mental deterioration.
It could also pave the way for treatments to slow the disease’s progression, experts said.
Study author, Dr Bruce Kimball, of the US Department of Agriculture and the Monell Chemical Senses Center, said: ‘Previous research… has focused on body odor changes due to exogenous sources such as viruses or vaccines.
‘Now we have evidence that urinary odor signatures can be altered by changes in the brain characteristic of Alzheimer’s disease.
‘This finding may also have implications for other neurologic diseases.’
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