For example , the Dow dropped more than 1,500 points , or 15.6 percent , from May to October 2002 , largely because of terrorism fears driven by the headlines .
In 2002 , for example , the Dow dropped more than 1,500 points , or 15.6 percent , between May and October , due largely to terrorism fears driven by headlines .
The journal says : " Both are lifelong non-smokers whose primary interest is an accurate determination of the health effects of tobacco . "