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- The active ingredient is THC (delta-9-tetrahydrocannibinol)
- Is classified as a hallucinogen
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- It is the most commonly used drug
- It is a depressant that slows down the central nervous system
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- The nicotine in tobacco is largely responsible for it's addictive nature
- May cause chronic bronchitis or emphysema
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- Opiates include natural substances, such as drugs from the opium poppy, synthetic drugs such a s morphine, codeine and methadone.
- They are used medically for pain relief
- Can be taken in tablet form or injected
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- Classified as a hallucinogen related to amphetamine. It also has stimulant properties.
- Usually comes in gelatin capsules or tablet form.
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- It is made from the South American coca bush
- Creates an intense high
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- Inhalents also known as solvents, are substances that some people "sniff" or "huff" These include products such as gas, glue, paints, lighter fluid and nail polish
- Classified as a depressant
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- It is odorless and tasteless
- It is a very powerful drug that changes the way you see, hear, smell, taste and touch.
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- A general anesthetic used in veterinary medicine.
- Large doses can cause delirium, amnesia, high blood pressure, depression and breathing problems.
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- These mushrooms are a species of mushroom that contain the drug psilocybin or psilocin.
- Ingesting magic mushrooms can cause psychosis for people experiencing psychological problems.
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The Centre for Addiction and Mental Health's Ontario Student Drugs Use Survey (OSDUS), is the longest ongoing school survey of adolescents in Canada.
Past Year Drug Use (%) by Total, Sex and Grade, 2003 OSDUS
| 66.2 |
|
68.3 |
64.3 |
* |
39.1 |
48.9 |
65.1 |
75.1 |
79.9 |
82.5 |
* |
| 29.6 |
|
30.9 |
28.3 |
|
6.2 |
10.7 |
27.9 |
35.9 |
45.0 |
44.8 |
* |
| 26.5 |
|
29.4 |
23.8 |
* |
5.8 |
7.7 |
23.5 |
29.8 |
40.9 |
45.2 |
* |
| 19.2 |
|
18.0 |
20.3
|
|
4.4 |
10.2 |
17.0 |
21.8 |
28.3 |
30.2 |
|
| 10.0 |
|
12.1 |
8.0 |
* |
1.8 |
2.6 |
7.8 |
12.5 |
17.4 |
15.3 |
* |
| 6.1 |
|
5.9 |
6.3 |
|
10.2 |
9.5 |
6.5 |
4.2 |
3.6 |
3.9 |
* |
| 5.8 |
|
4.7 |
6.7 |
* |
1.6 |
3.7 |
5.6 |
6.6 |
8.2 |
7.8 |
* |
| 4.8 |
|
5.4 |
4.3 |
|
3.1 |
1.9 |
4.9 |
4.6 |
6.9 |
6.7 |
* |
| 4.1 |
|
4.2 |
3.9 |
|
0.5 |
0.8 |
3.7 |
4.6 |
6.6 |
7.2 |
* |
| 3.3 |
|
3.8 |
2.9 |
|
1.0 |
0.9 |
3.8 |
4.2 |
5.4 |
3.6 |
* |
| 2.9 |
|
3.5 |
2.3 |
* |
0.7 |
1.1 |
3.7 |
4.2 |
4.0 |
2.7 |
* |
| 2.9 |
|
3.4 |
2.5 |
|
1.2 |
1.2 |
3.0 |
3.3 |
5.0 |
3.1 |
* |
| 2.8 |
|
3.0 |
2.6 |
|
5.2 |
3.2 |
2.4 |
2.4 |
2.3 |
1.8 |
* |
| 2.7 |
|
2.8 |
2.6 |
|
1.7 |
1.7 |
3.1 |
3.0 |
3.6 |
2.5 |
|
| 2.5 |
|
2.6 |
2.5 |
|
1.8 |
2.2 |
3.0 |
2.8 |
3.1 |
1.8 |
|
| 2.2 |
|
2.9 |
1.6 |
* |
1.3 |
0.8 |
2.1 |
3.6 |
2.6 |
2.7 |
* |
| 2.2 |
|
2.7 |
1.8 |
* |
0.6 |
1.2 |
1.8 |
2.4 |
4.1 |
2.7 |
* |
| 2.2 |
|
3.0 |
1.6 |
* |
1.0 |
s |
1.7 |
1.6 |
4.7 |
3.7 |
* |
| 1.6 |
|
1.7 |
1.5 |
|
1.2 |
1.2 |
1.4 |
2.0 |
2.3 |
1.3 |
|
| 1.4 |
|
1.9 |
0.9 |
* |
1.4 |
0.8 |
1.5 |
2.0 |
1.3 |
1.1 |
|
| 1.2 |
|
1.3 |
1.0 |
|
1.2 |
0.8 |
1.3 |
1.0 |
1.1 |
1.5 |
|
| 0.7 |
|
0.8 |
0.6 |
|
s |
s |
s |
0.9 |
1.7 |
s |
|
| |
| 32.2 |
|
33.1 |
31.3 |
|
10.1 |
13.9 |
29.6 |
38.6 |
47.5 |
47.1 |
* |
| 15.3 |
|
16.6 |
14.2 |
* |
6.6 |
8.0 |
13.0 |
18.0 |
21.7 |
22.3 |
* |
| 3.0 |
|
4.4 |
1.7 |
* |
0.7 |
1.8 |
1.6 |
3.8 |
4.6 |
5.3 |
* |
Notes: Binge Drinking = (5+ drinks on one occasion) refers to the past 4 weeks time period; NM = non-medical use; s = estimate suppressed; * = indicates a significant sex difference or grade difference, not controlling for other factors
- Students from Toronto are least likely to use these drugs, whereas Northern students are mostly likely.
- For further information, the PDF version can be found at www.camh.net -

Between 1997 and 1999, the past year use of 4 out of 9 drugs increased significantly:
| Alcohol |
From 59.6% to 65.7% |
| Cannabis |
From 24.9% to 29.2% |
| Hallucinogens |
From 10.1% to 13.6% |
| Solvents |
From 2.6% to 7.3% |
- More increases of drug use occurred among males than females.
- The use of alcohol and solvents increased among Northern Ontario students.
- The number of drugs used increased: 17.4% of students in 1999 used four or more drugs compared to 13.4% in 1997.
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