the proof of the pudding (is in the eating) in British English.
The windows to the soul. Your eyes communicate more than you may think -- and you canât always control everything they reveal. Body language experts tell how to read a personâs eyes to tell if theyâre happy to see you, disgusted, bored, stressed and even lying. Pupil size.
The changes in the brain that happen during migraine cannot be seen by imaging studies. So for most people, an imaging study will not show anything and will look like the scan of someone who does not have headache.