Which of the Following Describes an Association Between Body Weight

Which of the following describes an association between body weight and mortality?

A) Obesity is the fourth leading cause of premature death
B) Overweight men who are physically fit have a lower mortality risk than normal-weight,unfit men
C) Normal-weight men who are physically unfit have a similar mortality risk versus normal-weight fit men
D) The amount of weight gain in adulthood that is not associated with increased mortality is 20 pounds or less