At 101 years old, I’m the ‘world’s oldest practicing doctor’: My No. 1 rule for keeping your brain sharp

August 11, 2023

I've been a practicing doctor and neurologist for more than seven decades. And at 101 years old, people often ask me how I keep my brain sharp. Some areas of the brain may shrink, communication between neurons may become less effective, and blood flow may decrease. But like any other muscle in the body, our mind needs consistent exercise to thrive. I use three daily rituals to boost my brain health.