Many researchers argue the reason for such results is stress.

However, researchers have argued that there are many differences between men and women in terms of their response.

A similar family dynamic accounts for early development of the behavior, some researchers argue.

One researcher argues about the definition of pain used in the studies.

Researchers had long argued over the precise use of the standing stones.

Researchers argue that the trend in part reflects simple experience.

Researchers argue that this is similar to labor supply behavior in humans.

As a result, many researchers have argued that greater height is a reflection of better health, and in turn a longer life.

Some researchers argued that inconsistent structures may lead to low performance.

Researchers have argued about the relative importance to men of work and leisure.