• Ever wanted an RSS feed of all your favorite gaming news sites? Go check out our new Gaming Headlines feed! Read more about it here.

WedgeX

Member
Oct 27, 2017
13,168
In 1851, a German doctor named Carl Reinhold August Wunderlich took the temperatures of some 25,000 patients in the city of Leipzig and concluded that the average human body temperature sits at 37 degrees Celsius, or 98.6 degrees Fahrenheit. Though variations are known to exist from person to person, Wunderlich's standard remains a benchmark for medical professionals today. But a new study published in eLife suggests that in the United States, at least, average temperatures are going down—a trend that can be observed in medical records spanning more than 150 years.


The team looked at three large temperature datasets from three distinct periods. The first was compiled from medical records, military records and pension records of Union Army veterans; the data was obtained between 1862 and 1930. The researchers also consulted measurements from the U.S. National Health and Nutrition Examination Survey I, spanning from 1971 to 1975, and the Stanford Translational Research Integrated Database Environment, which consists of data from adult patients who visited Stanford Health Care between 2007 and 2017.

In total, the researchers studied 677,423 temperature measurements, collected over the course of 157 years and covering 197 birth years. They found that men born in the early 19th century display temperatures 0.59 degrees Celsius higher than men today, representing a decrease of 0.03 degrees Celsius per birth decade. Women's temperatures have gone down 0.32 degrees Celsius since the 1890s, representing a 0.029 degree Celsius decline per birth decade—a rate similar to the one observed among male patients.

According to the researchers, there are several reasons why our bodies might be cooling down. One is improvements in temperature regulation. "We have air conditioning and heating, so we live more comfortable lives at a consistent 68°F to 72°F in our homes," Parsonnet explains. "t's not a struggle to keep the body warm."

A more significant factor might be the reduction of inflammation-causing conditions like tuberculosis, malaria and dental diseases, thanks to improvements in medical treatments, hygiene standards and food availability. "In the mid-19th century," the study authors note as an example, "2–3 percent of the population would have been living with active tuberculosis." And the prevalence of such diseases may have had a population-level impact on average temperatures.


Stanford's study: https://elifesciences.org/articles/49555

Fascinating to think how our bodies might be changing. Also, since all these temperatures were taken Post-industrial revolution, I do wonder about the steady creep of climate change.
 
OP
OP
WedgeX

WedgeX

Member
Oct 27, 2017
13,168
To add: I've always hovered around 97.6 and thought either the readings were wrong or my body just wasn't right.
 

Fuzzy

Completely non-threatening
The Fallen
Oct 25, 2017
18,127
Toronto
"Sorry honey, you only have a temperature of 98.6 which is normal"
"No mom, look at this study saying that's not normal anymore. Normal is actually lower than 98.6 so that means I have a fever and need to stay home from school."
 

Z-Beat

One Winged Slayer
Member
Oct 25, 2017
31,838
giphy.gif
 

Deleted member 8860

User requested account closure
Banned
Oct 26, 2017
6,525
To be clear, there are two possible primary factors at play:

1) A smaller percentage of the population is sick (running fevers) than in the past, which brings down the average (mean) recorded temperature
2) Our bodies may not be required to run as hot as we have better shelter/clothing (and/or because we're less active)

The former factor is pretty obvious on its face. The second could be studied in greater detail.
 

Poltergust

One Winged Slayer
Member
Oct 25, 2017
11,820
Orlando, FL
That would explain how my friend has the average body temperature of a zombie.

Seriously, his hands are always freezing, no matter what time of the year it is.
 

Deleted member 8561

user requested account closure
Banned
Oct 26, 2017
11,284
who wants to be cool when you can be ice cold.

alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright
 

Nothing Loud

Literally Cinderella
Member
Oct 25, 2017
9,975
That's interesting, but the reasons mentioned are the most reasonable explanation. It's not like the temperatures are going to change by a whole degree any time soon. Our bodies' enzymes and proteins are very precisely tuned to work close to 98F
 
Mar 3, 2019
1,831
I wonder how this will affect our ability to fight infections in the future? I know our body temperature rises to combat it by basically boiling it alive.
 

Deleted member 1476

User requested account closure
Banned
Oct 25, 2017
10,449
I'm the opposite, unfortunately. I hover around 37°c all the time. I used to think that I had a fever all the time, but nope, just regular temperature being higher.
 

Deleted member 5334

User requested account closure
Banned
Oct 25, 2017
2,815
It's interesting because my body, for me that's normal, is the upper 97F range (think about .6-.8ish?). The doctor(s) and nurse(s) didn't seem too particular worried about it when they'd take it, so I'd imagine that's well within what's considered normal. Just odd given I know many people were a little warmer. That said, I've also always thrown off a ton of heat too, both when I was skinny and upper weight range, and not sure if that's also related or not.
 

Stinkles

Banned
Oct 25, 2017
20,459
I'm gonna show my wife this. Our primary beef domestically is that I do not like to sleep in a warm room at night, even in winter and we have completely incompatible temperature ranges - she will wear a freaking cardigan walking on a Hawaiian beach if it dips into the <brrrrr!> mid 70s. Whereas I wear a t-shirt if it gets over 60. I also need to have at least one foot out from under the blankets no matter how cold it is.
 

Deleted member 9972

User requested account closure
Banned
Oct 27, 2017
684
OP I promise the temperature change inside the human body isn't related to climate change. Temperature regulations inside our own homes thanks to improvements in technology would have a much more drastic impact to our average exposed temperature compared to a 1 degree C change outside. Furthermore, the studies are looking at different samples of people of the US (2007-2017 is Stanford Health Center patients only), which would result in much larger fluctuations to the dataset than the average global temperature.

The change is likely related to the reasons outlined in the article, which are rather fascinating in their own right (if not somewhat obvious in hindsight).
 

Vilam

Member
Oct 27, 2017
5,053
"we live more comfortable lives at a consistent 68°F to 72°F in our homes"

Yeah right. I'm not going a single degree above 62 in my home.
 

Deleted member 11822

user requested account closure
Banned
Oct 27, 2017
2,644
alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright alright

I'm crying laughing, thank you.
 

Mortemis

One Winged Slayer
The Fallen
Oct 25, 2017
7,412
Not for me. If I don't have a fever, then I'm almost always at 98.6°F.

I've never lived in a home with AC tho (or adequate heating really), so maybe that really is the difference.
 

Acidote

Member
Oct 26, 2017
4,965
I'm gonna show my wife this. Our primary beef domestically is that I do not like to sleep in a warm room at night, even in winter and we have completely incompatible temperature ranges - she will wear a freaking cardigan walking on a Hawaiian beach if it dips into the <brrrrr!> mid 70s. Whereas I wear a t-shirt if it gets over 60. I also need to have at least one foot out from under the blankets no matter how cold it is.

That's the regulatory foot and it's an international standard. Not sticking a foot out is breaking international law.
 
Oct 25, 2017
12,586
Arizona
To add: I've always hovered around 97.6 and thought either the readings were wrong or my body just wasn't right.
Even back then, 98.6 was the average, not the exact healthy temperature of every human. There's a bit of variation from person to person, and even throughout the day, even at rest. Method of measurement also yields different numbers. 97.6 is well within the average range for oral temperature measurements.
 

Shadownet

Member
Oct 29, 2017
3,277
I'm gonna show my wife this. Our primary beef domestically is that I do not like to sleep in a warm room at night, even in winter and we have completely incompatible temperature ranges - she will wear a freaking cardigan walking on a Hawaiian beach if it dips into the <brrrrr!> mid 70s. Whereas I wear a t-shirt if it gets over 60. I also need to have at least one foot out from under the blankets no matter how cold it is.
Bruh, I thought thats just me. I have to sleep with one foot out from under the blanket too.
 

PHOENIXZERO

Member
Oct 29, 2017
12,067
Offset from the planet heating up.


I was going to say we're turning into lizard people but it's going in the wrong direction.
 

Mivey

Member
Oct 25, 2017
17,818
That's just proof that cold-blooded (in the literal, biological sense) lizard people are actively living among us, pressing the average down. And the decrease per decade perfect tracks their increasing activity and meddling in human affairs.
Wake up sheeple! Before it's too late