Why is 'GHB' only a class C drug?

Why is 'GHB' only a class C drug - when it can cause death sickness, stiff muscles, fits and collapse so easily. And nobody knows its long-term effects!

In a Home Office report in June 2000, 123 victims of drug-assisted assaults were questioned and 70% of the rapists were known to the victim. One in five could not remember the assault but 70% felt physically unable to resist. *

* source: Metropolitan Police June 2000

http://www.talktofrank.com/azofdrugs/G/GHB.aspx

: http://alcoholdrugstreatment.info/why-is-ghb-only-a-class-c-drug