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Serotonin Deficiency: Symptoms, Causes, and Treatment

What Are the Symptoms of Serotonin Deficiency?

Serotonin deficiency has been linked with many numerous psychological and physical symptoms.

Psychological Symptoms

Studies show that serotonin deficiency is usually accompanied by the following psychological symptoms. Some of them include:

  • Depressed mood
  • Aggression
  • Impulsive behavior
  • Insomnia [1]
  • Anxiety
  • Dementia and cognitive decline

Inadequate serotonin levels are also linked to various behavioral and emotional conditions, such as:

  • Social anxiety disorder
  • Obsessive-compulsive disorder (OCD)
  • Suicidal behavior
  • Post-traumatic stress disorder (PTSD)
  • Panic disorder

Symptoms of serotonin deficiency vary for each person. For example, studies show that people who have not experienced depression may not become

Serotonin deficiency affects people differently. For example, researchTrusted Source shows that people who haven’t experienced depression previously may not become significantly depressed with lower levels of serotonin, whereas those with a history of depression may.