Which of the Following Statements Is True of Changes in Weight

Which of the following statements is true of changes in weight in middle age?

A) A recent study revealed that decrease in weight from early adulthood to middle adulthood was linked to an increased risk of major chronic diseases and unhealthy aging.
B) A large-scale study found that being overweight or obese in middle age decreases an individual's risk of dying earlier.
C) On average, body fat accounts for about 20 percent or more of body weight in middle age.
D) Individuals who were obese at age 50 had a 20 to 40 percent higher risk of earlier death, whereas those who were overweight at age 50 had a 100 to 200 percent higher risk of premature death.