Consumption of cocaine and methamphetamine will induce wakefulness, increased physical activity, decreased appetite, increased respiration, hyperthermia, euphoria. Effects of methamphetamine include irritability, insomnia, confusion, paranoia, and aggressiveness. Since it is known that it is difficult for nerve cells to be regenerated after having been damaged, it is a clear indication that use of this drug in small or large quantities, cause irreversible damages in the CNS. This observation was reported in a study by the National Institute on Drug Abuse (NIDA), which also found that individuals who have a long history of abuse have reduced levels in dopamine transporters, which are associated with slowed motor skills and weakened memories in the individuals. (2)
There have been more than two decades of studies and researches focused on the effects of methamphetamine and cocaine upon the body, especially the damages that the compound does to the brain. Even though the substance may bring about extreme pleasures, these "flashes" only last for a few minutes. It is well-known that users can become addicted very quickly, and the drugs are used with increasing frequency and in increasing doses. (3)
With the long term effects that cocaine and methamphetamines cause they should not be used for medical purposes because someone can become easily