Scientists have discovered a link between eating nuts and higher levels of serotonin (the feel-good brain chemical) in the human body.⁠
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Serotonin is responsible for transmitting nerve signals and improves heart health and makes people happier. It causes the feeling of safety calmness, happiness and self-confidence. Deficiency causes low self-esteem, obsessive thoughts, compulsive behaviour, impulsiveness and aggressiveness.⁠
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All you need is 1 ounce of hazelnuts.⁠
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