Alcohol

How does food affect alcohol absorption in the stomach?

Food slows the absorption of alcohol by mixing with it and delaying its passage through the stomach.

What is the rate at which the liver clears alcohol?

The liver clears alcohol at a steady rate, unaffected by the amount consumed.

What sensation does alcohol cause when it dilates blood vessels?

It leads to a sensation of warmth but also increases heat loss, risking hypothermia in cold environments.

What is the role of GABA-A receptors in the effect of alcohol?

Alcohol acts as a GABA-A receptor agonist, enhancing the effects of GABA and increasing inhibition in the nervous system.

How does alcohol affect NMDA receptors?

Alcohol blocks NMDA receptors, impairing memory formation in the hippocampus.

What are some long-term effects of alcohol use?

Liver failure, brain damage including Korsakoff's syndrome, and fetal alcohol syndrome.

What is the most conservative advice regarding alcohol and pregnancy?

Complete abstinence from alcohol.

What causes a hangover?

It is a combination of dehydration from alcohol's diuretic effect and withdrawal symptoms.

What is the relationship between alcohol and dopamine release?

Alcohol increases dopamine release in the nucleus accumbens, suggesting psychological addiction.

What are the dangers associated with driving under the influence of alcohol?

Impaired coordination, reflexes, and judgment increase the likelihood of dangerous driving.