Had pretending to be somebody else actually changed her brain chemistry for a few minutes?
The Science studies also ignore simple truths about brain chemistry.
Now they think a change in brain chemistry may also cause a tension headache.
Researchers say that in part, it may come down to simple brain chemistry.
"But right now, I'd like to read your brain chemistry."
I really would like to get a look at your brain chemistry.
You'd think I'd remember the feel of my brain chemistry changing.
For some people, these changes upset the brain chemistry and cause depression.
There is so much scientific evidence about our brain chemistry.
It appears to have altered brain chemistry or some such.