Serotonin by Julia Ross Select any symptom that applies to you and then click submit to calculate your score. TYPE 1: Low in serotonin (our natural antidepressant) negativity, depression worry, anxiety low self-esteem repetitious, obsessive thoughts or behaviors hyperactivity, irritability, rage night-owl, insomnia, disturbed sleep, hard to get to sleep benefits from antidepressant drugs panic attacks winter blues (S.A.D.) suicidal thoughts fibromyalgia, TMJ, migraines phobias: fear of heights, water, snakes, performance, etc. dislike hot weather afternoon or evening cravings for sweets, starches, alcohol, or cannabis Please enter the text as it appears in the image (this helps prevent spam): Time's up