According to the text, some of the major contributing factors to illness and death in the United States are currently

Question

Quizplus · Accepted Answer

The text mentions that "behavioral and psychological factors contribute to many of the leading causes of death in the United States such as heart disease, cancer, and stroke." Therefore, B is the best option.

A is incorrect as the text does not mention viral and bacterial factors as major contributors to illness and death in the United States. 
C is incorrect as the text does not specify neurological and endocrinological factors as being major contributors to illness and death in the United States. 
D is incorrect as the text does not talk about pharmacological and hormonal factors as being major contributors to illness and death in the United States.

According to the Text, Some of the Major Contributing Factors