What are drugs?

What are drugs?

The human body is able to excrete toxins, the body without much difficulty coping with them.Drugs - a toxin.But the study of these toxins involved in drug and alcohol abuse.The medical concept, drugs are toxic substances which may have a negative impact on the human body.Chronic use of the drug causes the body to addiction, as well as violating its activities.

the influence of drugs is largely dependent on the amount of the dose.If the body has a small amount of toxic substances, it becomes active.A large number of toxic substances other hand, act on the body soothing.Methods of drug treatment depends on the type of drugs.In this article you can read about what drugs do to people and how they affect the human body.

effects from drugs

If viewed from the side psychopharmacological effects, the effects of the drugs can be divided into three main groups.

  • Narcotic substances that depress the central nervous system.These substances can relieve mental stress, reduce self-doubt or timidity.It chang
    es the emotional response to pain, impaired coordination of movement and slows uptake.The use of such drugs in excessive amounts induces sleep, there is a violation of consciousness, and at worst - death.The effects of these drugs are used not only in medicine but also drug addicts are very popular in order to create the illusion of a short-term pleasure status.
  • Narcotic substances that stimulate the central nervous system.From the title it is clear that drugs do to the body.These substances stimulate the higher parts of the nervous system, prevent falling asleep and remove fatigue.The minimum dose of the drug causes the body to work actively, the sensation of hunger.In case of overdose there is aggression, anxiety, delusions of persecution and hallucinations.In medical applications, these substances are used to reduce fatigue, drowsiness, if one is obese, then to reduce the appetite.
  • Hallucinogenic drugs.These drugs disrupt the mind, distort the perception of time and space, besides the changing perception of itself.Being under the influence of hallucinogenic drugs, people like to move to another world, more lively and colorful.At these moments the visual sensitivity is increased, which leads to hallucinations.In medicine, there are a number of terms related to the hallucinogenic substances: hallucinogens - are substances that cause hallucinations;psychotomimetic - lead to a condition reminiscent of psychosis;fiction - substances that cause Dreamscapes and more.

Influence of drugs on the body

worth to understand how drugs affect man and his body as a whole.

Influence of drugs on respiration

consider that doing drugs breathing.It is the basic condition of human life.Of course, we all know that breathing, we take in oxygen and breathe out carbon dioxide.The body itself regulates the depth and rate of breathing.In the process of regulation of respiration uchuvstvuyut chemoreceptors, which are driven by carbon dioxide gas.When the amount of carbon dioxide higher than normal, the receptors are excited and transmit information to the respiratory center.A respiratory center, in turn, increases the rate and depth of your breathing.

Narcotics prevent the chemoreceptors, because of this, there is an accumulation of excessive amounts of carbon dioxide.Then, reduced the activity of the breathing process.The addict will not be able to breathe fully.Often, addicts die from respiratory failure is.

Influence of drugs on cough

When there is an obstacle to the passage of air in the respiratory tract, then there is a cough.Cough as if we are giving impetus to this obstacle, thereby eliminating it.This kind of defensive reaction.Drugs also reduce the cough center activity.Before using drugs for cough, with the content of drugs.A man who uses drugs, cough disables the mechanism, resulting in the light begins to accumulate phlegm, dust, smoke, gradually turning into a light box with dirty spitting.

Influence of drugs on the cardiovascular activity

Consider what drugs do to the cardiovascular system.Everyone knows how important it is for the body to complete the work of the heart and blood vessels.These bodies are responsible for the transport of vital substances and removing harmful particles from the tissues.But drugs inhibit the work of the vasomotor center, this leads to a slowing of the pulse.The addict will never be able to overcome the normal workload.

Influence of drugs on the digestive system

food we just need to live.Along with the food the body receives all the most essential substances that support full life.Narcotics violate digestion.Addicts denied full gustatory and olfactory sensations.They did not enjoy the food.The food is completely digested stops.In using the drug, man condemns himself to constant starvation.

Drugs - this is the most harmful substitutes for a real treat.It is not necessary to give preference to narcotic substances for pleasure, because you can choose another way to enjoy the life.