The Baroque was an elaborate style of art that existed in Europe from the late 1500s to the middle 1700s. Baroque paintings, sculptures, and buildings, as well as musical compositions, are known for their richness and drama. The grand works of art were meant to appeal to a personâs emotions or senses.
Dopamine Levels Increase. All addictive drugs affect brain pathways involving rewardâthat is, the dopamine system in the reward pathway. Within seconds to minutes of entering the body, drugs cause dramatic changes to synapses in the brain. By activating the brain's reward circuitry, drugs deliver a jolt of intense pleasure.
After the nicotine is gone, and the brain stops releasing the positive neurotransmitters, smokeless tobacco users feel tired, depressed, and down. Nicotine also causes the brain to release a chemical called dopamine. Other very addictive drugs like cocaine make the brain release dopamine, too.