by Dr. Joseph Mercola, Mercola:
STORY AT-A-GLANCE
- Mean sperm counts in men around the world have dropped by 51.6% over the past 50 years. Total sperm counts (TSC) are down by 62.3%, and the decline is accelerating
- An environmental factor that might play a significant role in this trend is electromagnetic field (EMF) exposures from wireless technologies, also referred to as electromagnetic radiation (EMR) or radiofrequency EMF (RF-EMF)
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- Recent research found that men who used their cellphones more than 20 times a day had significantly lower sperm concentrations and total sperm counts (TSC) than those who only used them once a week or less, placing them at a 30% increased risk for having sperm concentration below the reference value for fertile men, and a 21% increased risk for having TSC below the fertile range
- Previous studies have linked EMR from cellphones to an 8.1% reduction in sperm motility and a 9.1% reduction in sperm viability, as well as significantly higher rates of DNA fragmentation
- Wi-Fi-equipped laptop computers have been linked to decreased sperm motility and an increase in sperm DNA fragmentation after just four hours of use
According to a scientific review1 published in November 2022, mean sperm counts in men around the world have dropped by 51.6% over the past 50 years. Total sperm counts (TSC) are down by 62.3%, and the decline is accelerating. Proposed culprits include pollution, alcohol and drug use, stress, poor diet, sedentary lifestyle and chemical exposures.
Another environmental factor that might play a bigger role than people would like to imagine is electromagnetic field (EMF) exposures from wireless technologies, also referred to as electromagnetic radiation (EMR) or radiofrequency EMF (RF-EMF).
EMFs are such an underappreciated health hazard, I spent several years researching and writing the book, “EMF*D,” which may be one of the most comprehensive reviews of this pernicious environmental influence to date.
Cellphone Use Takes a Toll on Sperm
Several studies have found that EMFs have a deleterious effect on the reproductive systems of both men and women. Most recently, research2 published online November 1, 2023, found that men who used their cellphones more than 20 times a day had significantly lower sperm counts than those who only used them once a week or less.
As reported by the authors:3
“A total of 2,759 men answered the question concerning their mobile phone use, and 2,764 gave details on the position of their mobile phone when not in use. In the adjusted linear model, a higher frequency of mobile phone use (>20 times per day) was associated with a lower sperm concentration and a lower TSC [total sperm count].
In the adjusted logistic regression model, this translates to a 30% and 21% increased risk for sperm concentration and TSC to be below the World Health Organization reference values for fertile men, respectively …”
Previous Studies Confirm EMF Hazards to Men
Previous studies have linked low-level electromagnetic radiation exposure from cellphones to an 8.1% reduction in sperm motility and a 9.1% reduction in sperm viability,4 as well as significantly higher rates of DNA fragmentation.5 Wi-Fi-equipped laptop computers have also been linked to decreased sperm motility and an increase in sperm DNA fragmentation after just four hours of use.6 A mini-review published in 2020 noted:7
“Presently, there is a rise in the use of mobile phones, laptops, and wireless internet technologies such as Wi-Fi and 5G routers/modems across the globe; these devices emit a considerable amount of electromagnetic radiation (EMR) which could interact with the male reproductive system either by thermal or nonthermal mechanisms.
The aim of this review was to examine the effects of mobile phone use on male fertility. Related studies that reported on the effects of EMR from mobile phones on male fertility from 2003 to 2020 were evaluated …
Based on the outcomes of both human and animal studies analyzed in this review, animal and human spermatozoa exposed to EMR emitted by mobile phones had reduced motility, structural anomalies, and increased oxidative stress due to overproduction of reactive oxygen species.
Scrotal hyperthermia and increased oxidative stress might be the key mechanisms through which EMR affects male fertility. However, these negative effects appear to be associated with the duration of mobile phone use.”
That mini-review also cites studies showing:8
- A significant association between exposure to EMR and higher rates of childlessness among military men working for the Royal Norwegian Navy.
- Cellphone EMR increases production of reactive oxygen species (ROS) in the mitochondria of human spermatozoa and causes DNA damage.
- Long-term exposure to EMR, both high and low frequency, can affect male germ cell in humans
- Long-term exposure to mobile phone EMR may reduce serum testosterone levels.
- EMR alters normal reproductive processes in male rats; the same might occur in male humans exposed to RF-EMF over a long period of time.
EMF Exposure During Pregnancy Raises Miscarriage Risk
Women also need to be mindful of their EMF/EMR exposure, especially during pregnancy, as studies have found prenatal exposure to power-frequency fields can nearly triple a pregnant woman’s risk of miscarriage.9 As noted by senior research scientist at Kaiser Permanente’s research division, Dr. De-Kun Li:10
“This study provides fresh evidence, directly from a human population, that magnetic field exposure in daily life could have adverse health impacts.”
According to Li, there are also at least six other studies, in addition to two of his own, showing this link.11,12,13,14,15
EMFs Produce Potent Oxidant Stressors
Martin Pall, Ph.D., a professor emeritus of biochemistry at Washington State University and a specialist in chronic fatigue syndrome, multiple chemical sensitivity and the effects of low-intensity microwave frequency EMFs on the human body, has identified and published several papers16,17,18,19 describing the likely molecular mechanisms of how EMFs from cellphones and wireless technologies damage plants, animals and humans.