Drug dependence, Biology

Assignment Help:

DRUG DEPENDENCE -

Some drugs are prescribed by doctor for the prevention or treatment of a disease.

Some drugs are used for long periods.

A person becomes addict to these drugs. This is called drug dependence or drug addiction or drug habituation.

Drug dependence is of two types -

(i) Psychological

(ii) Physical

Psychological dependence is a false need.

Physical dependence is a neuro adaptation.


Related Discussions:- Drug dependence

Is neuron b in the frog central nervous system, IS Neuron B in the frog cen...

IS Neuron B in the frog central nervous system Consider Neuron B in the frog central nervous system whose plasma membrane has a previously unknown channel that is selectly cond

Important herbaria, Q. Important Herbaria? The herbarium is a place whe...

Q. Important Herbaria? The herbarium is a place where dried and mounted specimens are stored according to any recognised system of classification. Special attention is paid tow

Polytene chromosomes, PO L YTEN E CHROMOSOMES First seen by Balb...

PO L YTEN E CHROMOSOMES First seen by Balbiani in salivary glands of larva of Chironomus insect (belongs to order Diptera). Later on such chromosomes observed in severa

Simplified bernoulli equation, The simplified Bernoulli equation may be  ap...

The simplified Bernoulli equation may be  applied to peak velocity measurements to make non-invasive estimates of pressure gradients. Where  Vl = peak velocity proximal to an obstr

Strategic and tactic control of parasitic diseases, S t r a tegic and t...

S t r a tegic and tactic control of parasitic diseases The reduced performance of the animals in terms of decreased milk yield, draught power, breeding performance, poor bo

what is the optimum temperature for catalyses, Explain What is the optimum...

Explain What is the optimum temperature for catalyses? Ans) For any chemical reaction, the reaction rate enhances with temperature, so the higher the temperature, the earlier t

Oxygen dissociation curves, Oxygen Dissociation Curves The oxygen cont...

Oxygen Dissociation Curves The oxygen content of blood fully saturated or oxygenated can be calculated. It is known as the oxygen capacity of blood and this varies for differe

Energy, Energy Contrary  to matter.  Energy neither occupies space, nor...

Energy Contrary  to matter.  Energy neither occupies space, nor possesses mass. Hence it is defined, not on   physical ,but on operational or functional basis as the force whic

VASCULAR PLANTS., WHAT TRAITS ALLOWED VASCULAR PLANTS TO GROW TALL

WHAT TRAITS ALLOWED VASCULAR PLANTS TO GROW TALL

Taxonomy, . Explain why the traditional classification of unicellular euka...

. Explain why the traditional classification of unicellular eukaryotes as ‘protozoa’ or ‘protists’ is invalid in terms of modern systematics and evolutionary theory. Why are trad

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd