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The dopamine hypothesis suggests that schizophrenia is caused by an overactivity of dopamine neurons.
In Most people it causes massive amount of gas, which results in excessive flatulence.
Well, the reason you're not very angry, or sad when high on weed is because when you smoke it increases the amount of Dopamine let out of the Dopamine Receptors. What is Dopamine? Dopamine is a chemical in your brain, whenever you're in a good mood, dopamine is released from the receptors, weed speeds the amount of dopamine released drastically. Dopamine is responsible for pleasure such as eating and sex. About being resistant to pain, I'm not quite sure and am unable to find anything online, but I'm about 80% positive it has something to do with dopamine.
Insufficient levels of dopamine can cause problems with sleep, mood and movement. For example, lack of dopamine causes the muscular problems seen in people with Parkinson's disease.
The mixture ignites. If there is an excessive amount of chlorine, then the highly explosive compound Nitrogen trichloride is also formed.
The brain produces more and more dopamine, Remember that dopamine is a chemical that your brain gives off when you engage in healthy activities.
If you eat an excessive amount of fat, you might actually be physically sick. Eating an excessive amount if fat over a period of time can cause heart disease and obesity.
No, that's the whole point of addiction. But first of all, only recently has marijuana been shown to increase levels of dopamine, but only if taken in high enough doses. But if you assume marijuana is not addictive, then it shouldn't be affecting dopamine levels to begin with. Constant use of addictive drugs, however, can cause the brain to lose its ability to produce high levels of dopamine. When this happens, a drug user feels a greater need for the drug, or for even stronger drugs.
Meth is addictive because it affects the amount of dopamine released in your brain. Once the normal amount your brain produces is reduced, your addiction to meth has to take over to replace the dopamine needed.
you get fat
The substance tricks the neuron into releasing a flood of dopamine back in the synaptic cleft The substance tricks the neuron into releasing a flood of dopamine back in the synaptic cleft
The legal amount on the breathalizer is .8 but an excessive amount is however much you cant handle (be 1-2, 2-3, etc.).