When a Person Takes a Placebo for Pain, the Effect

question 610

True/False

When a person takes a placebo for pain, the effect is imaginary, since there is no actual reduction in brain activity linked with pain.

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Definitions:

Photochemical Smog

Air pollution created by the reaction of sunlight with pollutants such as nitrogen oxides and volatile organic compounds in the Earth's atmosphere.

Primary Pollutants

Pollutants that are emitted directly from identifiable sources and enter the air or water in a harmful form.

Sulphur Dioxide

A toxic gas with a pungent, irritating smell, produced by burning sulfur in the air. It is used as an industrial pollutant and also occurs naturally in volcanic emissions.

Acid Deposition

A broad term that includes any form of precipitation with acidic components, such as sulfuric or nitric acid that falls to the ground from the atmosphere.