Factors

Biological

Sociological

Psychological

Predisposing

Genetic loading

his uncle had

mental illness

Had few friends

Loss of both parents when he

was very young

Precipitating

Cannabis

smoking

Unable to

mixed up with

many people

Failed to have good

secondary support

Perpetuating

Unnoticed

biological

imbalance

Her aunt had

poor income

He was not close him

Protective

General

physical

health is good

Canbe taught

psychosocial

skill at school

His intelligence is above

average so can understand

well psychosocial skills and

cognitive behavioral therapy