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.
The daily recommended caloric intake for the average American can range from 1,000 to 2,000 calories per day. But that number is a general estimate and the number can vary based on a number of variables. Men can eat a little more, women should eat less because their bodies are smaller and need less fuel.