A Placebo is a substance or treatment with no active therapeutic effect. A Placebo may be given to a person in order to deceive the recipient into thinking that it is an active treatment. This phenomenon, in which the recipient perceives an improvement in condition due to personal expectations, rather than the treatment itself, is known ...
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Climate Change may refer to a change in average weather conditions, or in the time variation of weather around longer-term average conditions. Climate Change is caused by factors such as biotic processes, variations in solar radiation received by Earth, plate tectonics, and volcanic eruptions. Certain Human activities have been identified as primary causes of ongoing Climate Change. https://www.youtube.com/watch?v=_EWOrZQ3L-c Science ...