The use of the mobile phone radically affects your number of sperm, discovers a new study
The researchers collected data and samples of nearly 3,000 men.
We have all heard of the disadvantages of being attached to our phones: of course, there is the impact on your mental health and your relationships, but there is also the possibility of developing dreaded " technology neck "Now, researchers from the University of Geneva (UNIGE) in Switzerland have found that high use of the mobile phone could have another drawback: to reduce your overall number of sperm. May want to drop the phone.
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Swiss researchers followed the number of sperm over 13 years.
A new study published in Fertility and sterility evaluated 2,886 men Between 18 and 22 years of the Swiss population. Participants were recruited between 2005 and 2018 while they were in the army, delivering sperm samples to study and answer a questionnaire on their health and lifestyle.
During the questionnaire, the participants were asked about the number of hours they spent on their phones and where they kept their devices when they are not used. In total, 2,759 men answered the question of the use of mobile phones, and 2,764 gave details on where they kept their phone, allowing researchers to establish links between these two factors and The number of sperm.
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Those who used their phone were getting out of it more often in terms of number of sperm.
Depending on the results, the number of sperm and sperm concentration were "significantly higher in the group of men who did not use their phones more than once a week".
For men who said they used their phones 20 times or more every day, the researchers concluded that they had a risk of 21% higher of low overall sperm. Passionate phones users also had a risk of 30% lower sperm concentration, which is the number of sperm in a milliliter of sperm. (The researchers have defined the number of "lower" sperm and concentration as levels below the benchmarks of the World Health Organization for fertile men.)
Men who used their phones more often have also proved to be weighing more and have a higher body mass index (BMI), and more of these participants said smoking cigarettes and drinking alcohol.
There were also encouraging results.
Given how integrated cell phones are in our daily life, this data can be disconcerting. However, the news is not all bad - according to the results of the study, keeping a mobile phone in your pants pocket was not associated with the number of lower sperm. AE0FCC31AE342FD3A1346EBB1F342FCB
In addition, the researchers found no coherent association between the use of mobile phones and the motility of sperm (the possibility of moving alone) or the size and shape of the sperm. As Alison Campbell , scientific director of fertility of care, told CNN, this point should not be overlooked .
"Although the number of sperm is important, the ability of sperm to swim, has healthy intact DNA and being good shape, is at least as important," she said.
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The evolution of technology has also influenced the results over the years.
Another interesting aspect of the study was that the association between the use of the phone and the number of sperm has weakened during the 13 years of study. According to the researchers, the link was the most pronounced between the first study period (2005-2007), then gradually decreasing between these last study periods (2008-2011 and 2012-2018).
The researchers wrote that it was "in accordance with the transition to new technologies, mainly from 2G to 3G to 4G, and the corresponding decrease in the exit power of the phone".
As a researcher Martin Roosli , an associate professor at the Swiss tropical and public health institute, explained to Forbes ,, Telephones can heat When you use energy to send and receive signals, and this energy is what the researchers have posed are linked to the quality of the sperm. However, more recent networks require less energy to transmit signals, which means that it could also have less effect on sperm.
At the same time, researchers say that an additional study is necessary to assess the impact of new telephone technologies, as their study "represents only a snapshot" of the impact of mobile phones.
We still have no concrete answers.
Although this study is the largest transversal study on this subject, research on the decline in the number of sperm is not new. Some data suggest that over the past 50 years, the number of sperm has grown roughly 50% worldwide - And no one knows exactly why, CNN reported.
"" Previous studies The evaluation of the relationship between the use of mobile phones and the quality of the sperm has been carried out on a relatively low number of individuals, rarely considering information on the lifestyle, and has been subject to selection biases, Because they were recruited from fertility clinics. This led to non-conclusive results: "The first author and co-leader of the study Rita Rahban , principal researcher and teaching assistant to the Department of Medicine and Genetic Development of the Faculty of Medicine at Unige and the Swiss Center for Applied Human Toxicology, in a press release.
Swiss researchers have offered possible answers to fertility issues, but also noted the limits of their study. To begin with, the participants said data, which can cause errors. In the press release, Rahban also stressed that if there was no final association between the place where the phone is preserved and the number of lower sperm, the number of men who said they don't do it Wear their phone near their body "was too small to draw a really robust conclusion on this specific point".
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