Question

heroin
heroin and cocaine fact sheet
changes in the brain are responsible for heroin ____________. using heroin activates the brain’s __________ and increases the amount of dopamine released, which results in a short - lived __________. by acting on the __________ receptors, users can experience feelings of euphoria and decreased pain. users can also experience nausea and cloudy thinking. after repeated receptors decrease and heroin users need more and more of the drug just to feel the same effects, avoid ____________ symptoms. withdrawal symptoms are intense for a heroin addict, and insomnia, muscle and bone pain, vomiting, and cold flashes.

Explanation:

Heroin affects the brain's opioid receptors, causing a release of dopamine which leads to euphoria. Repeated use causes receptor - downregulation, leading to tolerance and withdrawal symptoms like insomnia, pain, vomiting etc.

Answer:

Addiction; opioid receptors; euphoria; opioid; tolerance; withdrawal