Why Do Ordinarily Peaceful People Become Violent and Aggressive While Drunk?

Maybe this explains Gibson's behaviour? (Or maybe there is never an excuse to his shocking actions?)

(Telegraph) A gene that could explain why the red mist descends

A “red mist” gene that could be responsible for ordinarily peaceful people becoming violent and aggressive while drunk has been identified by scientists.

The team of researchers have found a genetic mutation in the brain that may contribute to violently impulsive behaviour under the influence of alcohol. The researchers sequenced the DNA of a number of impulsive volunteers and compared those sequences with DNA from an equal number of non-impulsive people. They found that a single DNA change that blocks a gene known as HTR2B was predictive of highly impulsive behaviour.

The gene affects serotonin production and detection in the brain. Serotonin is a neurotransmitter known to influence many behaviours, including impulsivity.

(See the article in full here)

Also see Does Anger Make People Want Things More? and Are You Really Who You Think You Are?

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