1) Nutritional factors are intertwined with human cognition, behavior, and emotions. Carbohydrates and proteins can impact neurotransmitter levels in the brain and affect mood, while omega-3 fatty acids also play a role in preventing depression.
2) Studies have shown associations between chocolate consumption and reduced depressive symptoms, while exercise can reduce stress, fatigue and improve cognitive function and reduce anxiety.
3) For some people, highly palatable foods can activate the brain's reward centers in the same way as addictive drugs, leading to issues with compulsive overeating and food addiction.