11.   A surprising number of ailments are caused by unsuspected environmental factors.

12.   But the conference heard equally strong evidence for the role that environmental factors play in creating genius.

13.   Environmental factors that have received most attention include nutritional status and past or present hepatitis B virus infection.

14.   Cumulative alcohol intake certainly plays a role and other environmental factors, in particular nutrition, may also be important.

15.   And again you would expect socialization and environmental factors to operate, and clearly they do in a trivial sense.

16.   For plans to be effective management should consider the wider environmental factors that relate to the firm.

17.   There are interactions between genetic predisposition and environmental factors.

18.   The effects of other genes and environmental factors may influence the different course of the disease in this subset of patients.

19.   Even when environmental factors were controlled by studying identical twins reared apart, the concordance rate remained the same.

20.   Environmental factors, as well as personal characteristics, affect the probability that events will be followed by disorder.