"They think in terms of birthdays, knowing that the more candles on the cake, the more we should anticipate things like joint pain, lines on the face and even foggy thinking. Yet the most recent research shows us that we have the story all wrong around brain health. The brain changes we associate with aging (for example, memory loss) are far more dynamic and modifiable through the choices we make each day than people realize."
"While most people count their age in birthdays, our bodies don't see time in the same way. In fact, research shows us that each organ in our body ages at a different biological rate (this is called "biological age"), and this predicts our risk for having issues with those organs more than our age in birthdays. For example, having a biologically older liver correlates with dramatically higher rates of liver disease."
Brain aging is a measure of biological brain change, distinct from chronological age, and is linked to dementia risk and other neurological conditions. Each organ has its own biological aging rate, and a biologically older brain correlates with higher risk for cognitive impairment. Brain aging on imaging usually reflects the rate of brain tissue loss (atrophy). Lifestyle factors such as diet, exercise, sleep, and air quality strongly influence the speed of brain aging. Studies show that lifestyle changes can slow brain atrophy and reduce brain age, and even short-term improvements like better sleep can rapidly benefit brain health.
Read at Psychology Today
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