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 DI values are based on an average adult's daily requirement of 8700kJ. Your DIs may be higher or lower depending on your energy needs. DIs are not recommendations, but rather an acceptable intake which provides a benchmark suitable for the majority of people. The DI values are not a target for your day's intake nor are they an average.