Title: Drugs
1Drugs
- Intermediate 1 Biology
- Unit 1 Health and Technology
2Introduction
- Humans have used drugs of one sort or another for
thousands of years - -wine was used at least from the time of the
early Egyptians - -narcotics from 4000 BC
- -medicinal use of marijuana has been dated to
2737BC in China
3Types of Drugs-Stimulants
- Drugs that act on the central nervous
- system and increase brain activity.
- Some give feelings of alertness, greater
- energy and confidence.
- They may also reduce appetite
4Examples of Stimulants
- Cocaine
- Crack
- Ecstasy
- Alkyl Nitrites e.g. poppers
- Amphetamines
- Nicotine
5Types of Drugs-Depressants
- Drugs that act on the central nervous system and
slow down brain activity. - Impaired co-ordination, balance and judgement are
common. - Higher doses can lead progressively to
drowsiness, vomiting, coma and even death.
6Examples of Depressants
- Volatile substances or sniffable substances (eg
glues, gases, aerosols) - Alcohol
- Tranquillisers
- GHB (Gamma hydroxy-butyrate)
7Types of Drugs-Hallucinogens
- Drugs that act to change the way users experience
the world through the five senses. - Sometimes this involves seeing, and hearing
things which aren't there.
8Examples of Hallucinogens
- Cannabis
- LSD
- Magic mushrooms
- Ketamine
9Types of Drugs - Analgesics
- Drugs that have a painkilling effect.
- e.g. -heroin
- -opium
- -morphine
10Types of Drugs Anabolic Steroids
- Drugs that promote muscle growth and increase
lean body mass. - These drugs mostly have legitimate medical uses
- They are often misused by those wishing to
enhance their athletic performance or strength.
11Statistics
- The following statistics are from the results of
a major national survey of secondary
schoolchildren aged 11-15 published by the
Department of Health (DH) in 2002.
12- 12 of pupils had used illegal drugs in the last
month and 20 had used illegal drugs in the last
year - 13 of boys reported taking drugs in the last
month compared to 11 of girls - Use increased with age. Six percent of
11-year-olds had used drugs in the last year
compared to 39 of 15-year-olds
13- Cannabis is the most likely drug to have been
used, with 13 of pupils reporting use in the
last year. - Cannabis use also increases sharply with age with
1 of 11-year-olds having used the drug in past
year compared with 31 of 15-year-olds - Class A drugs had been used by 4 of 11-15 year
olds. One percent say they used heroin or cocaine
14Risks of Using Drugs
- Risks vary according to
- -circumstances of the use
- -the motivation and knowledge level of the user
- -their mood and expectation at the time of use
- -the manner of use
- -size of dose
- -purity of the sample
15Risks Factors Involved in Drug Taking
- Users can never be sure of exactly what they are
taking - Not knowing the strength of what has been bought
could lead to an accidental overdose (which may
be life-threatening) - Users can't be precisely sure of the effect the
drug will have, even if they have taken it
before.
16- Sharing dirty needles or syringes carries a risk
of serious infections - Mixing drugs, or drugs with alcohol
- Getting a criminal record.
- Effects on relationships, financial pressures,
reducing judgement or performance etc.
17Class A Drugs
- Amphetamines (speed) - if prepared for injection
- Cocaine and crack
- Ecstasy
- Heroin
- LSD (acid)
- Magic mushrooms - if prepared for use.
18Possession of Class A Drugs
- Possession
- -seven years prison and/or a fine
- Possession with intent to supply
- -life imprisonment and/or a fine
19Class B Drugs
- Amphetamines (speed)
- Possession
- -five years prison and/or a fine
- Possession with intent to supply
- -14 years prison and/or a fine
20Class C Drugs
- Anabolic steroids
- Cannabis
- Mild amphetamines
- GBH
- Tranquillisers DF 118 (painkillers)
21Possession of Class C Drugs
- Possession
- -two years prison and/or a fine
- Possession with intent to supply
- -14 years prison and/or a fine
22Useful Websites
- http//www.mindbodysoul.gov.uk/drugs/drugmenu.html
- http//www.sorted4.info/html/400/430.html
- http//www.stonerlemmings.com
- http//www.lifebytes.gov.uk/drugs/drugs_facts.html
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