"I believe that www.coursework.info provides a resource which most students would find highly beneficial."
Drugs
- Art (353 Essays)
-
Biology
(4,473 Essays)
- Green Plants as Organisms (1,550 Essays)
- Humans as Organisms (724 Essays)
- Life Processes & Cells (1,733 Essays)
- Living Things in their Environment (333 Essays)
- Variation and Inheritance (133 Essays)
-
Business Studies
(4,044 Essays)
-
Chemistry
(5,096 Essays)
- Classics (222 Essays)
-
Design & Technology
(881 Essays)
-
Drama
(1,150 Essays)
-
English Language
(5,160 Essays)
-
English Literature
(32,770 Essays)
-
Geography
(1,323 Essays)
-
Health and Social Care
(985 Essays)
-
History
(8,477 Essays)
-
Information & Communication Technology
(1,684 Essays)
- Law (449 Essays)
-
Maths
(3,447 Essays)
-
Media Studies
(1,548 Essays)
- Miscellaneous (415 Essays)
-
Modern Foreign Languages
(1,363 Essays)
- Music (150 Essays)
-
Physical Education (Sport & Coaching)
(892 Essays)
-
Physics
(3,237 Essays)
- Politics (1,526 Essays)
- Psychology (232 Essays)
-
Religious Studies (Philosophy & Ethics)
(6,607 Essays)
- Sociology (2,477 Essays)
- Welsh (79 Essays)
- Work experience reports (155 Essays)
- Words:
- 422
- Submitted:
- Wed Oct 14 2009
- Mark submitted by Author:
... What are drugs? A drug is a substance which alters the way the body works. Drugs which affect the brain fall into four main categories: Stimulants, Sedatives, Hallucinogens and Painkillers. Stimulants These drugs speed up the brain and make you alert. They include Amphetamines which were used for relieving blocked noses. Cocaine is one of them, found in the leaves off certain South American plants. Coffee and tea also contain caffeine (also a stimulant). Nicotine is also a stimulant, found in tobacco. Sedatives These slow down the brain and make you feel sleepy. They include tranquillisers and sleeping pills. Tranquillisers have a calming effect, and are given to people with an anxiety. Some can send you asleep straight away. Alcohol is a weak sedative making people feel less-inhibited Hallucinogens These make you feel, hear or see something not real. These are called hallucinations. Drugs in this category include Cannabis, and LSD (lysergic acid diethylamide). These drugs can
Other Similar Coursework
Not found exactly what you were looking for? Here are some essays which are similar to this one:
| Title | Members Rating | |
|---|---|---|
| Heart Rate Investigation |
|
Read a preview → |
| Heart rate, Blood pressure and ECG |
|
Read a preview → |
| An Essay Concentrating on the Ethical Aspects Involved in Organ Transplantation. |
|
Read a preview → |
| Investigate the theory that when you exercise the more weight you carry the more your pulse rate will increase. |
|
Read a preview → |
| Blood pressure. |
|
Read a preview → |
| The Human Heart |
|
Read a preview → |
| Work related report |
|
Read a preview → |
| I am investigating the effect that exercise has on a person's heart rate - In this investigation I will be doing different intensities of the same exercise to see how much the subjects heart rate increases. |
|
Read a preview → |
| Could excercise be doing any damage? |
|
Read a preview → |
| compare and contrast three ways of giving up smoking |
|
Read a preview → |
Most Popular Humans as Organisms Essays
Want to know what everybody else is looking at? Here are some essays that have been the most popular choices of our Humans as Organisms essays:
| Title | Members Rating | |
|---|---|---|
| Was Vesalius, Paré or Harvey the most in influential with their discoveries in Renaissance Times? |
|
Read a preview → |
| How Does Temperature Affect the Rate of Respiration of Yeast? |
|
Read a preview → |
| The effects of exercise on heart rate. |
|
Read a preview → |
| Effect of exercise on rate of cardiac cycle |
|
Read a preview → |
Most Recent Humans as Organisms Essays
Looking for the most up to date essays? Here are some of the most recently added essays in our Humans as Organisms category:
| Title | Members Rating | |
|---|---|---|
| Schizophrenia |
|
Read a preview → |
| Amylase activity in different temperatures |
|
Read a preview → |
| should we spend time in the sun |
|
Read a preview → |
| Drugs |
|
Read a preview → |
