**2. Why positive intake of functional food is necessary?**

Functional foods are important to the human body as other basic needs. A balanced diet is responsible to keep the human body active and fit. According to the current investigations, individuals cannot consume a balanced diet due to their busy and careless attitudes. An appropriate balanced diet can significantly provide beneficial components to the human health [9]. Less consumption of functional food and individual's false lifestyle can induce health deteriorating effects and multiple diseases which include cardiovascular disease, high blood pressure, and type 2 diabetes (**Figure 2**). An unbalanced diet may also contribute to the poor psychological health and memory [10].
