None
2 of 3 found this to have none
Ocassional arguments that speak about Sex, AIDS, etc.
None
2 of 3 found this to have none
None
2 of 3 found this to have none
None
2 of 3 found this to have none
Ocassional use of them in scientific and educational context, no real use however.
Mild
2 of 3 found this mild
Some of the subjects are fascinating in a scary way.