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

Define japanese criteria for functional foods, Define Japanese criteria for...

Define Japanese criteria for functional foods? The Japanese criteria for functional foods include: They are food (not capsules, pills/powder) on the basis of naturally o

Chemical changes during cleavage, CHEMICAL CHANGES DURING CLEAVAGE - 1....

CHEMICAL CHANGES DURING CLEAVAGE - 1.       Synthesis of DNA occurs. 2.       Synthesis of RNA (rRNA is absent, mRNA & tRNA are synthesized very little amount). 3.

Structure of myofibril, STRUCTUR E OF A MYOFIBRIL - The dark bands ...

STRUCTUR E OF A MYOFIBRIL - The dark bands of the myofibril are termed the A-bands (Anisotropic bands). Each A-band has at its middle a light zone called H-zone (Henson'

Lysosomes, LYSOSOMES Like mitochondrial lysosomes are also  typical mem...

LYSOSOMES Like mitochondrial lysosomes are also  typical membrane bound and dense  fluid filled sac  like cytoplasmic  organelles  of all eukaryotic cells these  however, diffe

State the term - symbolic representation, State the term - Symbolic represe...

State the term - Symbolic representation Symbolic representation is the representation of both the external and internal world through symbols and has been discussed in relatio

Determinants of health status, Determinants of Health Status The linkage...

Determinants of Health Status The linkage between economic development and health was discussed in the previous unit. The present unit deals with an identification of the factor

Complete metamorphosis, Complete Metamorphosis In all Endopterygota i...

Complete Metamorphosis In all Endopterygota insects, where wings and other structures develop internally, (in invaginate imaginal epidermal pockets) such as beetles, wasps, b

Starch, S T ARC H - Polymer of a-D-glucose. Starch is glucosan...

S T ARC H - Polymer of a-D-glucose. Starch is glucosan homopolysaccharide which is the major reserve food of plants. Starch is formed as an end product of photosynt

Vaccines for gas infections, In developing countries because of poor compli...

In developing countries because of poor compliance, poverty, ignorance, primary and secondary prevention strategies are difficult to implement properly. Also in western countries (

Epiboly - mechanism of gastrulation, EPIBOLY - The epibolic movement...

EPIBOLY - The epibolic movements occur only in the prospective ectodermal blastomeres. In the blastula of frog, migration and rearrangement of microceres over megameres i

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