Drug Rehab is for people who are abusing or have become dependent on any mood altering substance. Brugs are classified into three distinct categories including the following: Stimulants – amphetamines and appetite depressants (caffeine and nicotine are also included in this category) Opioid-based analgesics (painkillers) – hydrocodone and oxycodone (codeine and fully or semi-synthetic opioids) [...]