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 Magnesium, And What Kind, Does An Adult Need? According to the National institutes of Health (NIH), the recommended dietary allowances (RDAs) for adult males is 400-420 mg; adult females is 310-320 mg; for pregnant females 350-360 mg daily; and for breastfeeding females, 310-320 mg.