Andrew Huberman· PhD
So, for instance, if I want to learn something, and I'm going to focus as hard as I can on it, I will occasionally take, you know, these are very low dosages, 2 milligrams of nicotine. I don't do this lately. I just did an experiment last year. I didn't like it, because it made my throat spasm a little bit when I wasn't - Mm-hmm. - ... taking the gum.