For what the left hemisphere of a brain "responds"? The head hurts very much in left a semicircle...

[Light]

For what the left hemisphere of a brain "responds"? The head hurts very much in the left hemisphere... To me of 29 years. C.

[Talla]

For that as right and as speech. Hemispheres do not hurt. Most likely at you a migraine. Be surveyed in clinic of headaches.