Write a 7 pages paper on protein and amino acid requirements in the adults. Life standard continues to increase tremendously in response to technological advancement, so does the average human lifespan and it is frequently claimed by research literature that advancing age forms a critically important factor capable of influencing the protein and AA metabolism and thereby requirements in the adults. The growing incidence of the most frequent health problems in the present age like diabetes, cardiovascular diseases, and cancer is also associated with advancing age and relationship between such diseases and protein and AA requirements are established in myriad research studies. In addition to advancing age which is a heavily recognized factor now, multiple other factors also influence the protein and AA metabolism and requirements in the adults of which the most widely researched ones will be contemplated in this essay.