**7. Role of diet and behavior in health security**

The awareness regarding diet and behavior is essential for health security, which is excellently elaborated in the Ayurveda context. The dietary pattern related to various ages is also explained in the literature. The adolescent age group is very vulnerable to food choices responsible for growing age health related problems.

Consciousness and knowledge about recommended food and nutrition may reduce the risk in growth and development. There should be a feedback system in adolescent age for nutrition knowledge and healthy behavior. Simultaneously, the pregnant woman is the weaker part of society. She needs the intervention of more nutritious diets and healthy habits that improve her health and reflections on a healthy baby. There should be one unique health plan related to pregnant women, which should be developed and validated regularly for the part of the government's health care mechanism. The dietary interventions affect the gut microflora composition and their function, reducing the risk of various diseases. Another concept related to the drug delivery system of bioactive components through nanotechnology plays a vital role in health promotion, health security, and disease prevention. In this method, one can increase bioactive compounds' bio-availability at various stages of digestion, absorption, and assimilation. In old age people, the most significant risk factor is neurodegenerative diseases due to calorie restrictions and intermittent fasting. According to age and Prakriti and behavioral guidelines, a health regulatory body should unanimously frame a comprehensive diet plan [16–21].
