The Indian Express | New sensor detects vitamin deficiency linked to dementia, Alzheimer's The Indian Express vitamin B12 levels when low and help overcome the limitations of current testing methods which are time-consuming and costly. “Vitamin B12 deficiency has been shown to be a potential modifiable risk factor for dementia and Alzheimer's disease and is ... New sensor can detect vitamin B12 deficiency within minutes IED detection technique could be potential diagnostic tool for dementia |