It is true that to some extent the kind of food intake we have also affects the mind and does lead to depression in human beings. Due to the absence of vital nutrients and minerals the mind is led into depression. These vital nutrients and minerals are generally sourced from the daily diet that we consume, that is the routine food that we eat every day.

A continuous and habitual intake of carbohydrates or an addiction to cocaine or alcohol increases the possibility for a person to slip into depression, these are foods that increase serotonin quantities in the brain, when the serotonin increases, the mind becomes prone to depression. Some incomplete dairy products also have adverse effects on the brain and they cause depression in humans. Another reason why diet may lead to depression is because fatty food or overeating may increase the possibility of obesity and obesity generally leads to depression.

In this case eating certain products may not be the cause of depression but a condition caused by overeating leads eventually to depression. In some situations, diets that are not adaptable for the body also become a cause for depression, these kinds of foods are generally newer in food history and people are not used to these foods.