Scientists find out why women tend to be colder than men


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TEL AVIV, Israel – Men and women have a lot of things they don’t agree on – and that often includes the weather. Researchers say the perception that women are often colder than men is more than just a myth – perhaps it is an evolutionary fact. A team from Tel Aviv University’s School of Zoology adds that this is not only the case with humans, but also with many other species.

So why do women prefer heat while men turn on the air conditioning? The study reveals that there is a real reason for this and that is to keep the sexes more distant!

“We suggest that men and women feel the temperature differently. This is an intrinsic evolutionary difference between heat sensing systems of the two sexes, which is linked, among other things, to the process of reproduction and the care of the offspring, ”a team led by Dr. Eran Levin and the Dr Tali Magory Cohen writes in a Press release.

In the same way Men and women battling the thermostat, the study’s authors looked at how this phenomenon plays out in birds and bats as well. Dr. Levin notes that previous studies have shown that bat sexes actually separate during the breeding season. Male bats move to cooler areas during this time.

Other studies have also found similar behavior in birds and mammals, with males moving to cooler areas while females stay in warmer areas with their offspring. In fact, even among species where the genres living together, scientists find that males often stand in the shade and females enjoy the sun.

The team in Israel collected information over 40 years (1981 to 2018) on thousands of birds of 13 species that migrate each year. They also examined 18 species of bats during the study.

Evolution says “think of the children!” “

You might be wondering why focus on birds and bats? Researchers say these animals are very mobile, especially migratory birds. With that in mind, the team suspected that this gender separation – sometimes even spanning different climatic zones of the world – would make the study of temperature preferences between the sexes very clear.

The study finds the reason evolution seems to keep males and females away keep their babies safe. Dr Magory Cohen adds that when evolution pushes men into colder climates and women into warmer climates, it reduces competition for resources. He also keeps potentially aggressive males endanger the offspring.

“Ultimately, coming back to the human realm, we can say that this difference in thermal sensation did not come so that we could discuss with our partners about air conditioning, but rather the opposite: it is intended for make the couple move away from each other so that each can enjoy a little peace and quiet.The phenomenon can also be linked to sociological phenomena observed in many animals and even in humans, in a mixed environment of females and males: Females tend to have a lot more physical contact with each other, while males keep more distance and avoid contact with each other, ”Cohen says.

“We hypothesized that we are dealing with a difference between the heat sensing mechanisms of women and men, which has developed during evolution. This difference is similar in essence to the known differences between the sensations of pain experienced by the two sexes, and is influenced by the differences in the neural mechanisms responsible for the sensation as well as by the hormonal differences between men and women ”, concludes Dr. Levin.

The study appears in the Global Ecology and Biogeography Journal.

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