What Deficiency Causes Negative Thoughts? Exploring the Link Between Nutrition and Mood
                                
                                
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                                    5 min read                                
                            
                                According to the World Health Organization, depression is one of the most common mental disorders worldwide, affecting millions. While many factors contribute to mental health, growing evidence from the field of nutritional psychiatry suggests that what you eat, and more specifically, what deficiency causes negative thoughts, can play a significant role in your mood and mental well-being.