If people call you an airhead, this is probably not what they mean. An 84-year-old man turned out to have a lot on his mind.

If people call you an airhead, this is probably not what they mean. An 84-year-old man turned out to have a lot on his mind.

https://www.forbes.com/sites/brucelee/2018/03/13/this-is-what-an-air-pocket-was-doing-in-a-mans-brain/