11. Discuss why 3,500 calories is an important number for maintaining a healthy body composition.

What are the two things that all sociologists do in their studies?

How is the central idea developed further? (a) the author elaborates on the treatments for allergies in adults and how they work. (b) the author quotes the reactions of experts and the methods used to conduct the study. (c) the author compares the different rates of food allergies shown in children and adults. (d) the author indicates the limitations of the study because of differences in health care.

Technological and clinical advances that allow many surgical procedures to be safely performed on an ambulatory basis had what corollary effect on hospitals?