Low serotonin levels are associated with?

* Depression

* Anxiety

* Mood disorders

* Eating disorders

* Obsessive-compulsive disorder (OCD)

* Attention Deficit Hyperactivity Disorder (ADHD)

* Insomnia

* Fatigue

* Brain fog

* Poor memory

* Difficulty concentrating

* Impulsivity

* Aggression

* Violence

* Suicide