Dictionaries - Easton's Bible Dictionary - Gershom. Gershom [N] [H] [S] expulsion. 1  The eldest son of Levi ( 1 Chronicles 6:16 1 Chronicles 6:17 1 Chronicles 6:20 1 Chronicles 6:43 1 Chronicles 6:62 1 Chronicles 6:71 ; 15:7)=GERSHON (q.v.).  The elder of the two sons of Moses born to him in Midian ( Exodus 2:22 ; 18:3 ).
Another common situation known to bring on this condition is overheating the body. Exercising in hot humid conditions, or even just taking a very hot shower or sitting in a sauna too long, can bring on a head rush in some people.
It's not entirely clear what causes head pressure. Anxiety causes a great deal of stress on your body. That stress can tense your muscles, throw off your hormones, and even create body heat. All of these are known to cause various sensations in the head.