It is estimated that approximately 15% of patients with mild traumatic brain injury are still disabled for _____ after the injury

Calorie restriction has which of the following documented benefits?

a) decreasing blood flow b) increasing rats' maximum lifespan c) lowering metabolic rate d) raising the human maximum lifespan

Generally speaking, when do cliques tend to break down?

a. by early adulthood b. when puberty occurs c. by the time we graduate from high school d. by mid-adolescence