Methamphetamine is a drug which is highly addictive. Meth is usually injected, smoked or snorted by people to get a greater level of high than other drugs. It affects the central nervous system and the brain. This drug creates a sense of euphoria in a person. Meth increases the levels of neurotransmitter dopamine. This stimulates brain cells in human beings which enhances the mood and the body movement of a person. Methamphetamine, when injected or smoked causes intense pleasure instantly. It gives a rush or a flash that is enjoyed by people.

Small amounts of meth when taken causes a person to stay awake for long, increases levels of physical activity, decreases hunger, enhances respiration, hyperthermia, increases blood pressure levels and heart rate, causes an irregularity in heart beat rate, collapses cardiovascular organs. The various symptoms of the person having methamphetamine is that he appears irritated, mood disorders, confusions, anxiety, tremors, prolonged wakefulness or insomnia, paranoia and aggressiveness in nature.

Violent behavior is a common symptom found in a person taking meth on a regular basis. The long term usage also causes hallucinations, mood disturbances, suicidal tendencies, delusions, violent behavior and convulsions. Meth is a highly addictive drug and people become dependent on this very fast. The drug produces fast pleasurable feeling and then a sudden feeling of sadness and depression follows when the drug looses its effect. People consume meth again to return back to their normal feeling. This cycle of addiction goes on and on.

Addiction of meth has reached a threatening level all over the world. Women consume this drug as an aid to loose weight. The fact that usage of this drug shows immediate results and this has made this immensely popular. However, overdose results in deterioration of your mental stability followed by stroke or heart attack. Rapid respiration, increased heart beat and sudden death are the common outcomes of overdose of meth consumption.