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Wifi signal course for health effect. According to researches, it is effect for men's sperm to lost the strength of it. I want to know about that issue in deep?

Link:

Can Wi-Fi Kill Your Sperm?

  • Welcome. Where did you find information suggesting there is a correlation? On this site you need to include the research you have done so far to try to answer your question. There is sparse information on this topic. – DoctorWhom Apr 26 '18 at 8:34
  • I edit question with evidence. Please help me to sort it out the issue. – Eranda Peiris Apr 26 '18 at 11:36
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    There are also plenty of reports which say the opposite – Chris Rogers Apr 26 '18 at 22:37
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There are studies which support the idea that WiFi frequencies (and others) affect sperm and fertility, and there are studies which say the opposite.

Studies in support of the theory

The Singaporean Men's Health Website linked to in your question talked about a study published in Fertility and Sterility found that electromagnetic frequencies – such as those from Wi-fi – can kill sperm. This study was conducted by Agarwal et al. (2009). Even more horrifying are studies by De Iuliis et al. (2009) and Blank & Goodman (2011) which can be reported to have found that radio frequencies create EMF interactions with DNA as DNA has properties consistent with acting as an antenna.

The wide frequency range of interaction with EMF is the functional characteristic of a fractal antenna, and DNA appears to possess the two structural characteristics of fractal antennas, electronic conduction and self symmetry. These properties contribute to greater reactivity of DNA with EMF in the environment, and the DNA damage could account for increases in cancer epidemiology, as well as variations in the rate of chemical evolution in early geologic history.

When taken in context, the report states that:

EMF interactions with DNA are similar over a range of non-ionising frequencies, i.e., extremely low frequency (ELF) and radio frequency (RF) ranges. There are similar effects in the ionising range, but the reactions are more complex.

So it is not just radio frequencies which can affect DNA. Frequencies much lower can also affect it, and therefore, the risks from radio frequencies are also mitigated by frequencies outside of radio and WiFi etc.

Semantic Scholar has a PDF List of References Reporting Fertility and/or Reproduction Effects from EMF or RF (with abstracts) and it mentions both of these articles

Studies which say the opposite

There is only one study which I personally found which states the opposite and that is a Doctoral dissertation by Joseph Martin (2011) stating that:

[T]he data results strongly suggest that there is no statistically significant difference between post ejaculatory sperm cells exposed to radio frequency radiation in the 2,400MHz range and those that are not.

However Agarwal et al. balanced their report by stating that

Due to methodologic variations, interpretations of studies regarding DNA damage are complicated. Aitken et al. (2005) demonstrated that exposure of mice to RF-EMW, 900 MHz, 12 h/day for 7 days led to damage to the mitochondrial genome and nuclear beta-globin locus of epididymal spermatozoa. In contrast,Stronati et al. (2006) demonstrated no significant DNA damage in human lymphocytes exposed to RF-EMW at SAR of 1 and 2 W/kg for 24 h. Results of other studies are equally conflicting

then referenced the 9 other studies.

References

Agarwal, A., Desai, N. R., Makker, K., Varghese, A., Mouradi, R., Sabanegh, E., & Sharma, R. (2009). Effects of radiofrequency electromagnetic waves (RF-EMW) from cellular phones on human ejaculated semen: an in vitro pilot study. Fertility and sterility, 92(4), 1318-1325.
DOI: 10.1016/j.fertnstert.2008.08.022 PMID: 18804757

Aitken, R. J., Bennetts, L. E., Sawyer, D., Wiklendt, A. M., & King, B. V. (2005). Impact of radio frequency electromagnetic radiation on DNA integrity in the male germline. International journal of andrology, 28(3), 171-179.
DOI: 10.1111/j.1365-2605.2005.00531.x PMID: 15910543

Blank, M., & Goodman, R. (2011). DNA is a fractal antenna in electromagnetic fields. International Journal of radiation biology, 87(4), 409-415.
DOI: 10.3109/09553002.2011.538130 PMID: 21457072

De Iuliis, G. N., Newey, R. J., King, B. V., & Aitken, R. J. (2009). Mobile phone radiation induces reactive oxygen species production and DNA damage in human spermatozoa in vitro. PloS one, 4(7), e6446.
DOI: 10.1371/annotation/9a8a0172-3850-4059-b852-72c330769c1b PMCID: PMC2714176 PMID: 19649291

Martin, J. (2011). Short-term Exposure to Radio Frequency Radiation Appears to Have Little Effect on Sperm Cell Function (Doctoral dissertation)
Retrievable from https://ttu-ir.tdl.org/ttu-ir/bitstream/handle/2346/22831/Martin_Joseph_HonorsThesis.pdf

Stronati, L., Testa, A., Moquet, J., Edwards, A., Cordelli, E., Villani, P., ... & Lloyd, D. (2006). 935 MHz cellular phone radiation. An in vitro study of genotoxicity in human lymphocytes. International journal of radiation biology, 82(5), 339-346.
DOI: 10.1080/09553000600739173 PMID: 16782651

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