The effect of marijuana

.Weed smoke contains 50 to 70 percent of cancer-causing pathogens than tobacco smoke.

.marijuana also change the physical structure of sperm,(deformed).

.also...the long term effects is..Sensory distortion
Panic
Anxiety
Poor coordination of movement
Lowered reaction time
After an initial “up,” the user feels sleepy or depressed
Increased heartbeat

.long term effects:
Reduced resistance to common illnesses
Suppression of the immune system
Growth disorders
Increase of abnormally structured cells in the body
Reduced male sex hormones
Rapid destruction of lung fibers and lesions (injuries) to the brain could be permanent
Reduced sexual capacity
Study difficulties: reduced ability to learn and retain information
Apathy, drowsiness, lack of motivation
Personality and mood changes
Inability to understand things clearly