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.
Calcium: Getting enough calcium continues to be important for women through their adult years. Adult women in their childbearing years should aim for between 1,000 mg and 1,300 mg of calcium a day. Iron: Iron, too, remains a critical nutrient. Adult women between the ages of 19 and 50 need 18 mg a day.