| http://www.w3.org/ns/prov#value | - Slow down the central nervous system. eg, alcohol, heroin, cannabis (low doses), heroin, and other opiates. ??? Depressant drugs affect concentration and co-ordination, and slow the person's response time. ??? In small quantities, depressants such as alcohol can cause people to become relaxed and lower their inhibitions. ??? In larger quantities, depressants can cause unconsciousness and even deat
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