Want to live longer? Neurologist recommends a simple exercise that can literally ‘increase’ brain size

. According to the doctor, taking walks can actually stimulate the formation of new neurons. This simple, free and no fuss activity, can bolster memory and decelerate the onset of cognitive decline. In an IG video, Dr Perlmutter laid out the data that demonstrate how walking, and other forms of movement, can reshape the brain in a new direction.