of the time

The data suggests that the placebo effect works 18-80% of the time because it triggers the relaxation response, turning off the stress responses that often accompany illness and flooding the body with healing hormones that allow the body to heal itself.

60 to 70% of the time

The placebo effect works 60 to 70% of the time.

30%

Studies conducted on this phenomenon show that a patient receiving a placebo will, in about 30% of clinical trials, show improvement, if not full recovery.

about 18-80% of the time

The placebo effect is real, The placebo effect works about 18-80% of the time, and The placebo effect's not just in your head

between 30 to 90 per cent

On average, placebo effects cure anything between 30 to 90 per cent.

About 30 percent of the effectiveness of any medical treatment

About 30 percent of the effectiveness of any medical treatment, whether orthodox western medicine or some alternative healing tradition, is the result of the so-called Placebo Effect.

up to 72% of the time

Meanwhile, an article published in Psychology Today claimed that placebo works up to 72% of the time.

1/3 of patients

In fact, any given placebo treatment is usually only effective on about 1/3 of patients; although nearly everyone will respond to at least one type of placebo.

10-15% of the time

When studied, the placebo effect works around 10-15% of the time.

sometimes

The short answer is: sometimes they work, and sometimes The short answer ’s the placebo effect.

3-4 months

In trials, placebo response often appears greatest at 3-4 months, but diminishes over a year or so.

in two ways: one that motivates, heals, and helps, and the other that can induce self-doubt, destructive thoughts, and keep success at bay

The placebo effect can work in two ways: one that motivates, heals, and helps, and the other that can induce self-doubt, destructive thoughts, and keep success at bay (sometimes called the nocebo effect).

in 60-90 % of many diseases and often almost as well as many top pharmaceuticals

The placebo effect is not just a mysterious trick of the mind, but works as effectively as it does—in 60-90 % of many diseases and often almost as well as many top pharmaceuticals–because of the power of stories, relationship and the mind-body connection.

and even days

placebo effect can be minutes, but usually takes hours and even days.

hours

placebo effect can be minutes, but usually takes hours and even days.

3 to 6 hours

Typical Placebo Effect would take you 3 to 6 hours to complete.

5% to 42%.

Respondents in the different studies generally believed that placebo could be effective in a subset of patients, ranging from 5% to 42%.

35%.

And placebos don’t always work; their average effectiveness is 35%.

between 22-35%

Generally, the placebo (dummy pill) effect accounts for somewhere between 22-35% of the reported positive effect of any treatment.

12-14 weeks

However, a placebo effect may take 12-14 weeks to reach full effect.