Neurocardiogenic syncope is caused by a drop in blood pressure, quickly followed by faster then slower heart rate resulting in poor blood and oxygen flow to the brain which results in temporary loss of consciousness. Neurocardiogenic syncope (NCS) is also referred to as vasovagal syncope or neurally mediated syncope.
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.ll 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.
Compared to other substances, marijuana is not very addicting. It is estimated that 32% of tobacco users will become addicted, 23% of heroin users, 17% of cocaine users, and 15% of alcohol users.Cocaine and heroin are more physically harmful and nicotine is much more addictive.It is much harder to quit smoking cigarettes than it is to quit smoking pot.Recreational users of the past are often compared to todays smokers. The smokers, the times and the pot are all different.ocaine and heroin are more physically harmful and nicotine is much more addictive. It is much harder to quit smoking cigarettes than it is to quit smoking pot. Recreational users of the past are often compared to todays smokers. The smokers, the times and the pot are all different.