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A hangover (veisalgia) is the sum of unpleasant physical effects following heavy consumption of alcohol. The most common reported characteristics of a hangover are feelings of extreme thirst, lethargy, nausea, sensitivity to sunlight and noise, and headache. Hypoglycemia, dehydration, and vitamin B12 deficiency are all theorized causes of hangover symptoms.

Symptoms


An alcohol hangover is associated with a variety of symptoms that may include dehydration, tiredness, headache, nausea, diarrhea, weakness, difficulty concentrating, anxiety, irritability, sensitivity to light and noise and trouble sleeping. The symptoms vary from person to person, and occasion to occasion, usually beginning several hours after drinking. It is not clear whether hangovers affect cognitive abilities.

Causes


Hangovers are multi-causal. Ethanol has a dehydrating effect (such substances are known as diuretics), which causes headaches, dry mouth, and lethargy. Dehydration causes the brain to shrink away from the skull slightly. This can be mitigated by drinking water after consumption of alcohol. Alcohol's impact on the stomach lining can account for nausea. Due to the increased NADH production during metabolism of ethanol by alcohol and aldehyde dehydrogenases, excess NADH can build up and slow down gluconeogenesis in the liver, thus causing hypoglycemia.

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@iamRStarr lol naw i doubt it there are gona be alot of hangovers tomorrow
SmokeandCassRep (Thomas D.) Thu, 05 Nov 2009 05:02:56 -0000
@iamRStarr lol naw i doubt it there are gona be alot of hangovers tomorrow
no rehearsal tonite. hangovers gonna do what we do best....drink!
xxHungover1xx (The Hangovers) Thu, 05 Nov 2009 05:01:25 -0000
no rehearsal tonite. hangovers gonna do what we do best....drink!
Jus took some more meds... I hate being sick! Hangovers > cold/flu ) ;
queenjess21 (jessica haynes) Thu, 05 Nov 2009 04:46:54 -0000
Jus took some more meds... I hate being sick! Hangovers > cold/flu ) ;
I feel bad for people who dont have hangovers because this is they will feel all night.
thepaused (thepaused) Thu, 05 Nov 2009 04:45:48 -0000
I feel bad for people who dont have hangovers because this is they will feel all night.
I feel like 10,000 hangovers and death by drowning in Jello. And it's only 11:44! Nasty.
genoawolford (Genoa Wolford) Thu, 05 Nov 2009 04:43:46 -0000
I feel like 10,000 hangovers and death by drowning in Jello. And it's only 11:44! Nasty.
Scheduling workshops featuring the Holiday Planner, helping folks have holidays, rather than holidaze. No more spending hangovers.
sueholm (Sue Holm) Thu, 05 Nov 2009 04:27:44 -0000
Scheduling workshops featuring the Holiday Planner, helping folks have holidays, rather than holidaze. No more spending hangovers.

 
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