They acknowledge the power of the mind to influence health but question the vigor of studies suggesting that placebos could possibly prove as valuable as drugs.

NEWYORKER: The Power of Nothing

And of course, lurking in everyone's mind is the question of how much influence reasonable men of the faith have on their unreasonable brothers.

ECONOMIST: Islam and the West

Although we're only starting to grasp how the insides of buildings influence the insides of the mind, it's possible to begin prescribing different kinds of spaces for different tasks.

WSJ: Jonah Lehrer on Buildings, Health and Creativity | Head Case

But the implication of your question is that influence to get her to change her mind -- this was her decision.

WHITEHOUSE: Press Briefing

But Mr Morris's baleful influence lingers long after he has gone, not least in the mind of the president.

ECONOMIST: American politics

The climate is cooler, the names sound German, the architectural aesthetics call to mind the Mosel region rather than rural France, and the cuisine enjoys a distinct Germanic influence.

FORBES: Break Up With Chardonnay And Drink Wines From Alsace

Keep in mind Forbes Insights has no agenda other than to shed research light on the process of measuring influence and what we can learn from it.

FORBES: NRA Winning the Influence Battle Over Gun Control