The planned obsolescence theory of human aging suggests that
a. we undergo a process of senescence as we age.
b. our bodies are like machines that wear out.
c. our cells have a built-in time clock that eventually stops.
d. there is a high probability of Alzheimer's if we live long enough.
Question 2
The basic lesson of the nutrition transition concept is that
a. you are what you eat.
b. Americanization is bad for your health.
c. diets must adapt to circumstances.
d. being fat is healthier now than it used to be.
