For Durkheim the result of the division of labour is positive in that there is no need to compete in the sense of struggling just to survive. Division of Labour. The division of labour is, then, a result of the struggle for existence, but is a mellowed dnouement.
Recommended daily calorie intakes vary across the world. According to the National Health Service (NHS), UK, the average male adult needs approximately 2,500 calories per day to keep his weight constant, while the average adult female needs 2,000. US authorities recommend 2,700 calories per day for men and 2,200 for women.
How much, and what kind, does an adult need? The U.S. Food and Nutrition Board of the National Academy of Scienceâs Institute of Medicine recommends a daily adequate intake (AI) of 30 mcg in adults 19 years and older. The recommended daily AI for pregnant women is 30 mcg, and 35 mcg for breastfeeding women.