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.
Generalized calorie estimates are based on age, gender and activity level. According to the Dietary Guidelines for Americans 2010, women usually require 1,600 to 2,400 calories, while men often need 2,000 to 3,000 calories each day to maintain a healthy body weight.eneralized calorie estimates are based on age, gender and activity level. According to the Dietary Guidelines for Americans 2010, women usually require 1,600 to 2,400 calories, while men often need 2,000 to 3,000 calories each day to maintain a healthy body weight.