Psychoactive drugs are substances that affect the brain. The types range from heroin to caffeine. These substances can affect awareness, thoughts, mood, and behavior. Depending on the situation, the ...

Substance use disorder can lead to short- and long-term negative health effects. These can be physical and mental, ranging from moderate to severe. They will depend on the substance a person had been ...

Whether the substance involved is crack cocaine or alcohol or a behavior such as gambling, the common denominator of all addictions is continued use despite the development of negative ...