placebo effect

However, you then have another problem called the placebo effect.

We've come to understand that the placebo effect is real.

The most recent were designed to control for placebo effect.

But there's a chance that something beyond the placebo effect is also at play.

I can definitely say it was not a placebo effect.

A placebo effect may play a role in any intervention.

"The placebo effect can be anywhere from 20 to 40 percent."

"And sometimes this seems to help, though whether it's a placebo effect I'm never sure."

"Those products may have a similar placebo effect," he said.

This study also noted a significant placebo effect in the control group.

The most direct impact on performance could be a placebo effect, he said.

The placebo effect is not just for sick people anymore.

What if the natural variation in a disease's course is behind the placebo effect, they asked?

The experience convinced him that there was something to the placebo effect.

Or the treatment may be causing a placebo effect that is making you feel better.

Scientific studies did not show effects above that of the placebo effect.

Because the trial had no control group for comparison, the results could have been a placebo effect, they said.

The placebo effect is believed to reduce pain in two different ways.

Placebo effects are also seen in allergy, perhaps for the same reason.

The perceived benefit, they suggested, might well be a placebo effect.

Most of these practices had little to no medical efficacy, but they did probably provide some placebo effect.

How could the idea of the placebo effect be so prevalent if it does not exist?

Much of the benefit from treatment however is attributed to the placebo effect.

Many things have been found to help at least some people, and a placebo effect may play a role in any intervention or medication.

Active drugs and therapies can also have a placebo effect.