Puffiness under the eyes is a common symptom of allergies, lack of sleep, stress, and poor diet. Eyes will become puffy when the skin around the eyes becomes irritated and itchy. People who consume large amounts of alcohol and sodium before bed may wake up with puffy eyes due to water retention.
Alcohol, Benzodiazepines, Barbiturates and other central nervous system depressant drugs act primarily on a neurotransmitter substance known as GABA (Gamma Aminobutyric Acid). GABA is an inhibitory neurotransmitter that makes other neurons less likely to activate.
How does alcohol cause erectile dysfunction? Most men will be familiar with the term brewer's droop, a temporary form of alcohol related impotence that occurs when the average drinker consumes one too many.. However long-term alcohol abuse affects the nervous system and impairs the impulses between the brain's pituitary gland and the genitals.