What we eat every day affects not only our body, but also our mood and mental well-being. Research shows that food choices can influence how we feel emotionally. Fish is especially important because it contains healthy fats that help the brain work properly.
What does science say
Scientists who reviewed many studies found that people who eat fish regularly are less likely to have low mood or depressive symptoms. People who ate more fish had about a 20% lower risk of mood problems compared to those who ate little or no fish.
The studies also showed a clear pattern: the more fish people ate, the bigger the benefit. Eating around one portion of fish a day seemed to be especially helpful for mental health.
Why is fish good for the brain?
Fish, especially fatty fish like salmon, mackerel, and sardines, contain nutrients that support the brain:
• Omega-3 fats, which help brain cells communicate with each other
• Vitamins and minerals that support memory, focus, and the immune system
• Nutrients that can reduce inflammation in the body, which may affect mood
Because of this, the brain can work better, which often means better mood and more energy.
What can you do today?
Here are some easy ideas:
• Eat fish 2–3 times a week. It does not have to be complicated. Baked fish, tuna salad, or a fish sandwich are great options.
• Add vegetables. Colorful vegetables help your body use nutrients better.
• Try new dishes. Oven-baked fish, mackerel in tomato sauce, or homemade sushi can be healthy and tasty.
Remember
Food alone cannot solve all mental health problems, but it can help support your mental well-being. Eating fish regularly is a simple and tasty way to care for your brain, mood, and everyday energy.
If you would like to learn more and check the original research, you can find it here:
Kim E., Je Y. (2025). Fish Consumption and the Risk of Depression. Nutrients, 17(24), 3965.
