Product: Marijuana, hashish, Cannabis sativa, delta-9-tetrahydrocannabinol.
Street names: Pot, grass, weed, reefer, joint, Mary-Jane, Acapulco Gold, rope, mull, cone, spliff, dope, skunk, bhang, ganja, hash, chronic.
Symptoms: Difficulty concentrating slow reflexes, impaired motor skills, reduced coordination and concentration, apathy, blood shot or glassy eyes, increased appetite, dryness of the mouth.
Potential problems: Mood swings, memory impairment, weight gain, chronic bronchitis, increased risk of cancer of the lung, mouth, throat and tongue, panic attacks, anxiety, depression, paranoid thinking, decreased motivation, interference with reproductive function, learning difficulties, psychological dependence, suicidal thoughts, risk of psychosis and psychotic symptoms. Cannabis serves as a barrier against self-awareness, and may interfere with a young person’s development including possible interference with reproductive function.
Source - http://www.drugs.health.gov.au