Most researchers agree chatting helps improve brainpower. Studies conclude that the more social you are, the more talking and interact with other people you do, the higher your mental function will be.
I can’t tell you how many people over the years asked me why I talk to strangers. I’ve always believed, before this study broke, that brainstorming with strangers offers intellectual exercise and insight of things I wouldn’t normally notice.
Talking with people outside your comfort zone offers street-sense, which makes sense.