Marijuana is the most abused illicit drug in the world. It is derived from a plant called as Cannabis Sativa. Marijuana has many dangerous chemicals and THC is one of the main psychoactive ingredients in Marijuana. The strength of Marijuana depends on the amount of THC present in it.
Cannabinoid receptors, which are found in many places in the brain are affected by the THC. These receptors involve in memory, concentration, perception, and movement. When Cannabinoid receptors get affected by THC, normal functioning of these brain areas will get effected. Marijuana causes effects like: relaxation, reduced coordination, reduced blood pressure, sleepiness, disruption in attention etc.
Marijuana causes disorder of thinking and perception of reality. It is difficult to create the concepts and thoughts under the influence of Marijuana. It leads to aggression and loss of motivation.
These following can be caused under high doses of Marijuana: hallucinations, delusions, impaired memory, disorientation, loss of shout term memory. After 1-10 minutes of taking Marijuana, the effect of it starts and this effect will last up to 3-4 hours or sometimes even longer.
Two neurotransmitters such as norepinephrine and dopamine are effected by THC. These neurotransmitters are chemical messenger molecules and signals are carried between neurons by these neurotransmitters. Personality disturbances, depression and chronic anxiety are effected by impairing some of these neurotransmitters by Marijuana.
There are so many adverse effects of Marijuana on human brain and body. You should be aware of these adverse effects of Marijuana in order to stay away from it and you can also suggest to your friends and others to not to use marijuana.