Surgical method for reducing body weight that reduces the amount of food that can be eaten, and/or the nutrients absorbed

A. diuretic
B. gastric bypass
C. fat diet
D. energy balance

Causation can be proved by using an

Are all toddler boys hard to pottytrain?

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.