Reasons for thrill-seeking experiences
When we experience pleasure, the body releases dopamine that binds to receptors in the body, which gives us a sense of intense excitement. It can be a problem as it can lead to addictive behavior.
Some people have a defect, called a polymorphism, where the receptor can't efficiently bind to dopamine. The body needs to produce more dopamine to give the receptors a better chance of collecting it.
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