Having lack of nutritions and vitamins could lead to depression or anxiety. While taking care of getting enough vitamins especially vitamin B6, which helps synthesize feel-good neurotransmitters like dopamine and serotonin will help to improve your mood. https://elle.ua/ludi/interview/how-to-achieve-optimal-well-being-through-diet-and-sport--insights-from-nutritionist-maren-tschinkel/