By Stephen BeechThe driving habits of older people may provide early warning signs of dementia, according to new research. In contrast, adults ages 65 and older who were taking blood pressure tablets were less likely to show risky driving habits, even when brain damage was present. Subtle changes in everyday driving habits may be early warning signs of brain changes and higher dementia risk - even before traditional memory and thinking symptoms appear, according to the American research team. (Barrow Neurological Institute via SWNS)Study author Professor Chia-Ling Phuah, of the Barrow Neurological Institute in Phoenix, said: “Driving habits in older adults can reveal early changes in brain health. "The impact of ACE inhibitors on cognitive function and driving safety in people with white matter disease requires further investigation.