(life) In modern world, it is inevitable to escape mental and emotional stress. Busy lifestyle, workload, family or financial issues, inactivity and poor eating habits induce a lot of stress which may further lead to lifestyle-related diseases. So, there is a great need to maintain mental peace and by making small changes in diet can have a huge impact on your mood. "Happy hormone" or "serotonin' is a neurotransmitter that plays an important role in many biological processes and in regulation your good mood as well.