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The researchers carried out an test where a single man had sex with a number of women, exposing him to an erotic film. The topics' penises were connected to monitors that monitored dopamine levels and arousal levels. After 18 viewings, the arousal level of the topics decreased dramatically. This led to the emergence of an addiction this is far more unhealthy than we think. Dopamine has long been associated with the excitement of novelty. It's the neurochemical that drives people to carry out sexual behaviors. This chemical is published by novel mates. However, the newness of the Playboy wears off after a few pages. It's now not stunning, but it can be nervousness-producing. The brain's reward center does not know about "porn," but it registers the quantity of stimulation via dopamine spikes. Although these substances may end up in addictions, only ten to 20 percent of individuals become addicts.
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