hockenberry: but what do you actually do? do you do anything concrete at the school to try to control this or deal with it? i tell my students, at stanford, "you have ferrari minds. why do you want to put buttermilk in the gas tank?" well, but they may think that it's casterol gtx they're putting in their brain, and-- look, we all know this is a huge experiment. i mean we're-- this is, like, human beings are stepping up to be potentially poisoned. i don't understand why people would do this in the first place. the more i learned about medicine, the more i learned to stay away from medicines and use them only for serious purposes. you take something as simple as tylenol. it changes, up-regulates, or down-regulates hundreds, maybe thousands of genes. we're not talking about a system here that's sort of like, you know, your hair style. you might say they're concentric circles of significance in life. there's some areas that we are expressing ourselves through, but there are others that the infrastructure of our very being, of ou