Sometimes, the glasses themselves are responsible for causing the headache. If you wear glasses and find that you experience headaches on a regular basis or even once in a while, take the time to investigate why it may be happening, because wearing eyeglasses shouldnât cause you any pain.
coÂ·heÂ·sion. n. 1. The act, process, or condition of cohering: exhibited strong cohesion in the family unit. 2.
1 Cohesion = Phenomenon of a substance being held together by hydrogen bonds. 2  Though hydrogen bonds are transient, enough water molecules are hydrogen bonded at any given time to give water more structure than other liquids. 3  Contributes to upward water transport in plants.