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 many calories does a person need per day? WebMD states that females ages 19 through 30 who are sedentary should consume between 1,800 and 2,000 calories per day. If they are moderately active they should eat up to 2,200 calories. If they are highly active then they should eat 2,400 calories.