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.
Caloric Intake for Women. According to the Center for Nutrition Policy and Promotion, average-size women between 19 and 30 years of age should get 1,800 to 2,000 calories per day if they're inactive, 2,000 to 2,200 calories if they get a moderate amount of exercise and 2,400 calories if they're consistently active.