Smoking Is the Leading Preventable Cause of Premature Death

Smoking is the leading preventable cause of premature death. Because this habit starts most often at young age, it has been observed that ________.

A) when the habit is acquired early in life it is easier to quit later
B) the younger one starts to smoke, the harder is to quit later in life
C) when the habit is acquired early in life it is easier to quit later, but only among women
D) only among people with low SES the younger one starts to smoke, the harder is to quit later in life