About one and a half hundred years ago, in 1868, the German doctor Carl Reinhold August Vanderleich expressed the idea that the highest number in medicine is now 37 degrees Celsius or 98.6 degrees Fahrenheit.
It is believed that this is the average temperature of the human body and it is also used to identify fever.
But over time, a decrease in body temperature, especially in recent kisses, has been observed in healthy adults.
A study of 35,000 people in the UK in 2017 found that their average temperature was 97.9 degrees Fahrenheit, and a 2019 study found that the average body temperature of American citizens rose to 97.5 degrees Fahrenheit.
A recent study by the University of California, Los Angeles, found a similar decrease in body temperature among the ancient Bolivians.
A health and life project has been working there for 16 years and the population is being examined by researchers.
They observed an average annual decline of 0.9 Fahrenheit in these residents and today their average temperature is 97.7 Fahrenheit.
The researchers said that in less than two decades, we have seen a similar decline in the United States, based on 18,000 observations of about 5,500 people, while taking into account a number of factors that affect body temperature. There are.
The results of the study were published in the journal Science Advances.
The researchers said that the study showed a decrease in the average body temperature across the United States, but it is not yet possible to explain why this is happening, but it is clear that something is changing in the human body that is causing this change. One idea is that we are less likely to get sick because of improved hygiene habits, cleanliness, vaccinations, and medical treatment.
"In our research, we tested the idea directly," he added.
"Even if the reason is not clear, the drop in body temperature is obvious to everyone. We even limited our research to only 10% of adults who were declared completely healthy by doctors," he said. They also observed a decrease in body temperature over time.
Researchers believe that with medication, disease reduction and more, there is a possibility that our bodies no longer have to work harder to regulate their internal body temperature, as air conditioners in summer and heaters in winter do just that. Do
But it is also a fact that the ancient inhabitants of Bolivia do not use such modern technology but now have more access to clothes and blankets.
According to the researchers, the first indication from the research is that the body temperature is decreasing, but the difference is not clear.
