What actually is the placebo effect?

What actually is the placebo effect?

Everything that we take and from which we expect a certain medicinal effect has a placebo effect.

This can be beautifully observed, for example, by taking valerian tablets: Valerian is taken half an hour before bedtime and is supposed to support both falling asleep and sleeping through the night.

But what many do not know: The tablets must be taken every day, because the…

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