The top eight ways to boost the happy hormone called serotonin. Serotonin is a neurochemical made by your body that helps you to feel cheerful happy. And in a state of well-being, it's involved with keeping your mood, helping you to focus, stay calm and pay attention. Unfortunately, many people have low levels of Serotonin which can cause you to feel irritated stressed and you may suffer with anxiety. People with low serotonin levels. Also often have low self-esteem perceiving that the world is an unfriendly place which can even develop into depression, low serotonin can cause you to Crave short-term highs from eating junk Foods. Binge eating. With alcohol or drug use. It can also disrupt your sleeping patterns. For more information listen following video.