1. Healthy gut microbiome (bacteria and other microorganisms living in our digestive tract) can positively influence mood and cognitive functions. Diet rich in prebiotics (e.g. fiber) and probiotics (e.g. yogurts, fermented foods) supports healthy microbiome. And thus also mood.

2. Diet influences also hormonal balance, which can have impact on mood. For example, correct intake of micronutrients like B group vitamins (cereals, legumes, nuts, dairy products etc.), vitamin D (fatty fish, eggs, some dairy products etc.), iron (leafy vegetables, legumes, nuts etc.) and zinc (seafood, legumes, whole grains etc.) is essential for hormonal balance and mental health.

3. Also quantity of food has significant impact on our mood. When we are hungry, our body releases hormones that make us more irritable and less focused. Low blood sugar level can cause fatigue, distraction and worsening of mood. Conversely, overeating can lead to feelings of heaviness, drowsiness and reduced self-confidence.

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4. Processed foods contain high amount of added sugars, salt, unhealthy fats and chemical additives. These components can contribute to inflammation in body and negatively affect mood and cognitive functions.

5. How diet affects mood and mental well-being is studied by nutritional psychiatry or nutritional psychiatry. Focuses on relationship between nutrition, brain function and mental health. So, if this topic interests you, you will surely find several interesting professional articles.

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