Male Sperm Count Drops by Over 50% in 50 Years: Is Your Phone to Blame?
A new study has revealed that male sperm count has declined by more than 50% globally in the last 50 years, leaving scientists scrambling to find the cause. Researchers have considered various potential factors, including pollution, toxins in food and water, obesity, chronic disease, and even mobile phone usage.
The study specifically explored the impact of cell phone usage on sperm count. It found that men between the ages of 18 and 22 who used their phones more than 20 times a day had a 21% higher risk of having a low overall sperm count. Additionally, they had a 30% higher risk of having a low sperm concentration, which refers to the number of sperm in a milliliter of semen. The study did not specify whether the phone usage involved calling, texting, or both.
Surprisingly, the study also found that as phone technology improved over the 13-year duration of the study, the impact on sperm count began to lessen. Allan Pacey, an expert who was not involved in the study, expressed his intrigue over this finding. He noted that the biggest effect was seen with older 2G and 3G phones compared to modern 4G and 5G versions. However, he admitted that he could not explain this phenomenon.
On a positive note, the study did not find any decline in the shape and motility of the sperm, which refers to their swimming ability. Alison Campbell, chief scientific officer of Care Fertility, emphasized the importance of healthy DNA and sperm shape when it comes to fertility.
However, researchers have been divided on the potential damage of radiofrequency electromagnetic fields emitted by cell phones. Some studies in mice have shown that such fields can lower male fertility and contribute to changes in testicular tissue and sperm quality. However, other studies have not replicated these effects, and there are significant differences between humans and mice in terms of sperm creation.
Observational studies in humans have linked frequent cell phone use to decreased sperm viability and motility. Yet, these studies have been small and short-term, and they have not adequately controlled for factors such as smoking and alcohol consumption. Thus, many scientists remain skeptical about the link between cell phones and male fertility.
In light of these findings, the California Department of Public Health recommends keeping cell phones away from the body and head, using speakerphone or headphones, and carrying the phone in a backpack, briefcase, or purse to minimize exposure to radiofrequency electromagnetic fields.
Despite the study’s association between cell phone use and semen quality, experts still urge caution in interpreting the results. They emphasize that the study only shows an association and not a definitive cause-effect relationship. Furthermore, other factors such as stress levels and environmental exposures can also impact fertility.
Infertility expert Dr. Alexander Pastuszak highlights the complex nature of infertility, where sperm count and concentration are just minor players. He emphasizes that the quality of sperm is crucial for fertility and that even individuals with a lower sperm count can still have a decent chance of conceiving if their sperm quality is high.
In conclusion, while this study suggests a potential link between cell phone usage and sperm count, more research is needed to fully understand the connection. In the meantime, experts recommend maintaining a healthy lifestyle, including regular exercise, a balanced diet, and avoiding smoking and excessive alcohol consumption to promote fertility.