Drug is a chemical substance which is use to treat,cure,prevent a disease and used for artificial pleasure.Drugs act on the pleasure center in the brain causing a shortcut to reward that, when repeated, can change the way a person processes information.Drugs addictive qualities may be enhanced by how good they make a person feel when using them and how bad they make a person feel when they wear off.

SYMPTOMS OF ADDICTION:

When a person is addicted to a substance, such as a drug,alcohol or nicotine, they are not able to control the use of that substance.when body levels of that substance go below a certain level the patient has physical and mood-related symptoms.They are cravings for drugs,bouts of moodiness,bad temper,poor focus, a feeling of being depressed and empty,frustration,anger and resentment.While under the influence of some substances the addict may engage in risky activities ,such as driving fast.

PROBLEMS ASSOCIATED TO DRUGS ADDICTION:

The problems associated with drug abuse extend beyond immediate personal impact. People being an addictive,suffer in health issues which increases other illness .Addiction can damage the one's social life .Research reveals that addictive people can easily involve in crimes such as robbery, stealing/snatching, law violator and a criminal. Addiction can damage their family, when the addict does not get its need he become angry,aggressive,harsh,short temper and does not behave well,ultimately lose relations.

CATEGORIES OF DRUGS:

SEDATIVES:

A category of drugs that show normal brain functions.One of the most marked effects of sedatives is their potential for abuse and addiction. It can cause drowsiness and sleepiness and are used to reduce anxiety.They also reduce heart rate and breathing and can reduce them to the point that death occurs ,if there is an overdose.

HEROINE:

Heroine is considered highly addictive. Heroine and other opioid drugs interacts with dopamine levels in the brain, which is what causes the burst of pleasure associated with their use. Abuse of heroine can quickly lead to drug tolerance, dependence and addiction.

MORPHINE:

Morphine is used to relieve moderate to sever pain . It remains active in blood stream upto 6 hrs . It acts on the CNS and causes relief from pain but overdose can cause many side effects including nausea, vomiting, constipation, lightheadedness, dizziness or sweating.

NARCOTICS:

Narcotics are also called painkiller. These drugs bind with the pain receptor present in CNS and reduce the pain. They are use to treat moderate to sever pain that may not respond well to other pain medication. Narcotics can be dangerous not only because of their potential for abuse and addiction, but also because they can sometimes lead to overdose and death.

MARIJUANA:

It is the most commonly used illicit drug in the United States. It can be obtained from the flower,stem and leaves of the Cannabis indica plant. People smoke marijuana in hand rolled cigarettes or in pipes or water pipes. The intake of this drug produces immediate sensation increased heart rate, reduce coordination and balance,and a "dreamy",unreal state of mind .Marijuana also effects brain development. When people begin using marijuana as teenagers, the drug may impair thinking, memory, and learning functions and affect how the brain builds connection between the areas necessary for these functions.

ADDICTION OF DRUGS IS CONSIDERED AS HARMFUL CONDITION:

It is considered as harmful condition because it is associated with a wide range of short and long term health effects. They can vary depending on the type of drug, how much and how often it's taken and the person's general health . Overall, the effects of drug abuse and dependence can be far reaching. They can impact almost every organ in the human body.

Side effects may be included:

A weakened immune system,increasing the risk of illness and infection.heart conditions range from abnormal heart rates to heart attacks and collapsed veins and blood vessel infection from injected drugs. lung disease.

So we will avoid drugs and never take it in any condition because it has many disadvantage . For sometime it give a relieve from pain but because of it we can lose our everything and it reduce our respect in social community. But it also give advantages when we use it in limit . So I hope u understand this.