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Factors Affecting Body Temperature01:28

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As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
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Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
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Assessing Body Temperature - Temporal Artery01:19

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Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
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Correlation01:09

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In statistics, two variables are said to be correlated if the values of one variable are associated with the other variable. Depending on the relationship between two variables, correlation can be of three types– positive correlation, negative correlation, and zero correlation.
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Assessing Body Temperature - Oral01:14

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Here are the steps to accurately measure oral temperature using an electronic thermometer:
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Biological Influences on Intelligence01:30

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Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
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The correlation between high temperature and cognitive function: a CHARLS 2018 cross-sectional study.

Lu-Shi Kong1, Duo Chen1, Jin-Dan Zhang1

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|July 9, 2025
PubMed
Summary
This summary is machine-generated.

High temperatures negatively impact cognitive function in middle-aged and older adults. Depression may partially explain this link, suggesting public health interventions are needed.

Keywords:
Climate changeCognitive functionDepressionHigh temperatureMediating effect

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Area of Science:

  • Environmental Health
  • Gerontology
  • Neuroscience

Background:

  • Extreme temperatures pose health risks, particularly for the elderly.
  • Limited research exists on heat exposure's effect on older adults' cognitive function.
  • This study investigates temperature's association with cognitive function in a national cohort.

Purpose of the Study:

  • To examine the relationship between ambient temperature exposure and cognitive function.
  • To explore the mediating role of depression in this association.
  • To inform public health policies regarding heat and mental well-being.

Main Methods:

  • Utilized data from the 2018 China Health and Retirement Longitudinal Study (6,605 participants).
  • Controlled for meteorological variables and cognitive function covariates.
  • Employed Generalized Linear Models and stepwise regression to analyze temperature-cognitive function and depression mediation.

Main Results:

  • Increased days of high temperature exposure were significantly linked to reduced cognitive function.
  • High temperatures positively correlated with depression levels.
  • Depression partially mediated the negative impact of high temperatures on cognitive function.

Conclusions:

  • High temperature exposure is associated with diminished cognitive function in older adults.
  • Depression acts as a partial mediator in the temperature-cognition relationship.
  • Findings highlight the need for policies addressing heat's impact on mental health.