Greenish urine can mean that you have a urinary tract infection but if it's bright green, it can mean that you have too much of B vitamins. Certain drugs and some health conditions can cause urine to turn green, too, so mention this to your health care professional.
Alcohol does this by interacting with the receptors on the receiving cells in these pathways. Alcohol affects various centers in the brain, both higher and lower order. The centers are not equally affected by the same BAC -- the higher-order centers are more sensitive than the lower-order centers. As the BAC increases, more and more centers of the brain are affected. The order in which alcohol affects the various brain centers is as follows: Cerebral cortex.
It affects the nerves that pass messages around the body by slowing them down and the more you drink the greater the effect. The reason people often get more lively when they've had a drink is that alcohol affects parts of the brain responsible for self-control. Your reactions also slow down, and you may become uncoordinated or unsteady on your feet. Your speech may get slurred and you may start seeing double.