Why Measuring Body Temperature is Important
Measuring body temperature is crucial when someone is ill, as it can provide valuable information about potential health issues. Thermometers are commonly used for this purpose and are available in various types, ranging from household ones to professional-grade devices used by medical practitioners. The mouth is typically the preferred location for measuring body temperature, although other options include the rectum, armpit, ear canal, or forehead. Among these options, medical professionals consider rectal temperature to be the most accurate. Depending on the type of thermometer used, results can be obtained within seconds and displayed digitally, or they may take a few minutes and require manual interpretation.
The Changing Average Body Temperature
Understanding the average body temperature is crucial for assessing one’s health. Traditionally, it has been believed that the average human body temperature is 98.6°F or 37°C, with minor fluctuations of plus or minus 1°F considered normal. However, recent research conducted by Stanford University’s School of Medicine in 2020 challenges this long-held notion.
The study compared the average body temperatures of Americans over different time periods. The data collected from 1860 to 1940, 1971 to 1975, and 2007 to 2017 revealed a surprising trend. Over each decade, the average body temperature decreased by 0.03°C. This finding suggests that the average body temperature of humans has been gradually declining over the years.
Another interesting discovery from the study was the difference in body temperatures between older and younger individuals. Older subjects exhibited higher body temperatures compared to their younger counterparts, even when their temperatures were taken on the same day. The researchers hypothesize that this discrepancy is likely due to the increased exposure to vaccinations and reduced exposure to infections among younger generations.
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