Experience with such incentives shows that they do have powerful effects in controlling costs.

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In so fraught an atmosphere, mere gestures can have powerful effects.

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That in turn may have powerful effects.

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But placebos can have powerful beneficial effects for many health conditions, ranging from depression and chronic pain to Parkinson's disease.

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Their rhetoric often implies not only that lower tax rates stimulate economic activity and tax revenue and that that higher tax rates depressed economic activity and tax revenue, but they often go further and imply that any change in tax rates would be so powerful as to have Laffer-curve effects.

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Patients need to take powerful immuno-suppressants which have side-effects and can themselves damage the body.

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Of course you feel better if your doctor is telling you about some powerful proven placebo that is proven to have significant effects.

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Abilify isn't as powerful as Zyprexa, but it seems to have fewer side effects, including causing less weight gain.

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They have also assumed that rising asset prices will drive powerful "wealth effects, " encouraging households to boost their consumption.

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Trovan belongs to a powerful class of antibiotics called quinolones, which can have serious side effects, including liver problems and cartilage and tendon abnormalities.

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