Factors that affect IQ


 



There is no conclusive evidence that any particular thing can lower a person's IQ permanently or significantly. However, some factors or conditions can affect cognitive abilities in the short term, which may impact IQ test scores.

For instance, sleep deprivation, alcohol and drug use, and chronic stress can all impact cognitive function, including attention, memory, and reasoning abilities, which are components of IQ. These factors can lead to decreased performance on IQ tests, which may give the impression of a lower IQ.



In addition, certain medical conditions such as brain injuries, infections, and genetic disorders can affect cognitive function and potentially lower IQ scores. However, these cases are often due to specific brain damage or developmental issues, rather than lifestyle or environmental factors.

It is important to note that IQ is not the only measure of intelligence, and it is not a fixed trait. Intelligence is a complex and multifaceted concept, and a person's abilities can vary depending on many factors, including genetics, environment, and life experiences. Therefore, it is essential to approach intelligence with a holistic and individualized perspective.


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