Serotonin and Substance Abuse

Serotonin and Substance Abuse

In addition to being a product of genetics and environment, addiction is a matter of brain chemistry. Actually, the three are closely interrelated. Drugs of abuse are powerful, mind-altering substances that can disrupt the brain’s reward system and adversely affect natural chemical levels. Meanwhile, scientists estimate that genetic influences account for 40 to 60 percent…

Avoidant/Restrictive Food Intake Disorder

Avoidant/Restrictive Food Intake Disorder

A Source of Fear and Anxiety Avoidant/restrictive food intake disorder, or ARFID, was previously known as selective eating disorder. Professionals thought that it only affected infants and children. However, the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders renamed it and broadened the criteria. It now includes adults who restrict their food…