What we eat and when we eat it plays a direct role in how we feel. Wrong food or inconsistent eating habits can cause blood sugar levels to change rapidly, affects mood
A diet heavy in fatty foods or sugar appears to have an association with depression. A study conducted by the University of Melbourne found that women who consumed a balanced diet of whole grains, vegetables, meat and fruit scored lower on a standardized questionnaire depression than those who subsisted on fried, sugary, processed or refined foods, as reported by the American Journal of Psychiatry.
People whose blood sugar suddenly spike or drop can suffer mood swings, being cranky, tense or depressed, according to CBS News. Eating small, nutritious meals or snacks at regular times can keep blood sugar levels stable and prevent mood swings.
Foods that support consistent and positive moods include fruits, vegetables, nuts, fish, whole grains, legumes and low-fat dairy foods. CBS News says that processed flour, sugar and beverages nervous system such as alcohol or caffeine can cause mood swings.