Lumps of resin.
Leaves, sticks & seeds.
Concentrated oil.
There are many strains of cannabis and strength varies.  Skunk in particular is very strong.
Can sometimes be adulterated with other substances.
Cannabis is a hallucinogenic drug.

METHOD OF USE

Smoked.
Eaten.

THE LAW

CLASS:  B
 
Possession:  
Up to 2 years imprisonment or a fine, but sometimes a caution if only a small amount.
 
Supply:
Up to 14 years imprisonment and/or
a fine.

EFFECTS/SIGNS OF USE

• Intoxication
• Loss of concentration
• Red eyes
• Dilated pupils
• Increase in heart rate
• Irrelevant giggling
• Butts of hand-rolled cigarettes
• Strong smell of burning leaves
• Large cigarette papers
• Grinder (used to shred leaves)
• Unusual hunger

DANGERS/RISKS

• Coordination and reaction time impaired
• Dangerous to drive under influence
• Anxiety & illusions
• Possible psychological changes (psychosis)
• Psychological dependence
• Damage to lungs as with tobacco
• Very demotivating