cute Marijuna

Cannabis, also known as marijuana(from the Mexican Spanish marihuana), and by other names is a preparation of the Cannabis plant intended for use as a psychoactive drug and as medicine.

Psychoactive drug?

A psychoactive drug, psychopharmaceutical, or psychotropic is a chemical substance that crosses the blood–brain barrier and acts primarily upon the central nervous system where it affects brain function, resulting in alterations in perception, mood, consciousness, cognition, and behavior.These substances may be used recreationally, to purposefully alter one's consciousness, as entheogens, for ritual, spiritual, and or shamanic purposes, as a tool for studying or augmenting the mind, or therapeutically as medication.

Marijuana is usually smoked as a cigarette (joint) or in a pipe. It is also smoked in blunts, which are cigars that have been emptied of tobacco and refilled with a mixture of marijuana and tobacco. Marijuana can also be mixed in food or brewed as a tea.Marijuana smoke has a pungent and distinctive, usually sweet-and-sour odor.

Scientists have learned a great deal about how Tetrahydrocannabinol (THC -is the principal psychoactive constituent of the cannabis plant) acts in the brain to produce its many effects. When someone smokes marijuana, THC rapidly passes from the lungs into the bloodstream, which carries the chemical to the brain and other organs throughout the body.
THC acts upon specific sites in the brain, called cannabinoid receptors, kicking off a series of cellular reactions that ultimately lead to the "high" that users experience when they smoke. Some brain areas have many cannabinoid receptors,others have few or none. The highest density of cannabinoid receptors are found in parts of the brain that influence pleasure, memory, thinking, concentrating, sensory and time perception, and coordinated movement.
Not surprisingly, marijuana intoxication can cause distorted perceptions, impaired coordination, difficulty with thinking and problem solving, and problems with learning and memory. Research has shown that marijuana's adverse impact on learning and memory can last for days or weeks after the effects of the drug wear off.
 As a result, someone who smokes marijuana every day may be functioning at a suboptimal intellectual level all of the time.
Research of long-term cannabis use on the structure of the brain has yielded inconsistent results.

What other effects does marijuana have on health?
- The heart
- The lungs
- Daily life
 marijuana has the potential to cause problems in daily life or make a person's existing problems worse. In one study, heavy marijuana abusers reported that the drug impaired several important measures of life achievement, including physical and mental health, cognitive abilities, social life, and career status.

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Chubbychic