What is the recidivism rate (frequency of those who eventually resume the habit) for smokers who ...

What is the recidivism rate (frequency of those who eventually resume the habit) for smokers who quit?
 
  a. almost all quitters resume the habit
  b. few ex-smokers smoke again
  c. about 50 percent return to smoking
  d. it varies by age, length of the habit, etc.

Question 2

A return to previous behavior is called
 
  a. relapse
  b. addiction
  c. rebound
  d. none of the above

Question 3

Which of these is NOT a sign that you may be drinking too much?
 
  a. You need more and more alcohol to get the same effect.
  b. Others are talking about your drinking.
  c. You drink 1-2 drinks per day.
  d. You drink more often than you eat.

Question 4

What percent of Americans exercise as regularly as health experts recommend?
 
  a. 10
  b. 20
  c. 30
  d. 40

Question 5

What percentage of smokers start before the age of 18?
 
  a. 35
  b. 42
  c. 61
  d. 78