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

Transport through plasma membrane, TRANSPOR T THROUGH P.M. P.M. regula...

TRANSPOR T THROUGH P.M. P.M. regulates transport of materials in and outside of cell P.M. is semi- permeable as it allows rapid passage to water molecules. P.M. is selectively

Introduction of formation of soil, FORMATION OF SOIL Evolution of Eart...

FORMATION OF SOIL Evolution of Earth took place five to eight billion years ago when it was a red hot magma (molten rock). It took millions of years for the magma to cool down

Invertebrate groups possess segmented bodies, Which invertebrate groups pos...

Which invertebrate groups possess one, three, four or all of the features below?  Segmented bodies, hard exoskeleton, jointed legs, compound eyes, three pairs of walkin

Explain circulatory support and types of shock, Explain circulatory support...

Explain circulatory support and types of shock? CIRCULATORY SUPPORT 1) A "shock" state is characterised by hypoperfusion of tissue and cellular hypoxia. Circulatory suppo

Define distant osteogenesis, Q. Define Distant Osteogenesis? Distant Os...

Q. Define Distant Osteogenesis? Distant Osteogenesis : This type of healing has also been described to explain the phenomenon of "Osseointegration" of machined metallic implant

What is the incubation period of an infection, Q. What is the incubation pe...

Q. What is the incubation period of an infection? The Incubation period is the time interval between the infection by an agent that causes disease and the first signs or sympto

How is heart contraction triggered, Q. How is heart contraction triggered? ...

Q. How is heart contraction triggered? Heart contraction is independent from neuronal stimulus although it can be modulated by the autonomous nervous system in the heart there

Harmons, which was the first harmone discovered#

which was the first harmone discovered#

Features of phylum porifera and eumetazoa, Features of Phylum Porifera and ...

Features of Phylum Porifera and Eumetazoa Table: Distinctive Features of Phylum Porifera and Eumetazoa The branch Eumetazoa, as we have seen above, consist of meta

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