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Dùng điện thoại di động nhiều quá cũng......vô sinh
12 Dec, 2023
lượng tinh trùng ở nam giới có giấu hiệu giảm dần, hơn 50% trong 50 năm qua, khiến các nhà khoa học phải vật lộn tìm nguyên nhân. Có thể do ô nhiễm, do PFAS, cũng có thể do độc tố trong nguồn nước và nguồn thực phẩm, hay do tỉ lệ béo phì và bệnh kinh niên tăng, hay thậm chí do những chiếc điện thoại di động vẫn bên chúng ta hằng ngày gây ra?
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A new study explored the role (vai trò) of cell phones and found men between the ages of 18 and 22 who said they used their phones more than 20 times a day had a 21% higher risk (rủi ro) for a low overall sperm count. The men also had a 30% higher risk for a low sperm concentration, a less important measure of sperm count in a milliliter of semen. The study did not specify (ghi rõ) whether the men called or texted or used their phones to do both.
On the positive (tích cực) side, researchers found that as phone technology improved over the 13 years of the study, the impact on sperm count began to ease (giảm nhẹ).
“I am intrigued (ngạc nhiên) by the observation that the biggest effect was apparently seen with older 2G and 3G phones compared to modern 4G and 5G versions. This is not something I am able to explain,” said Allan Pacey, deputy vice president (phó chủ tịch) and deputy dean (phó chủ nhiệm khoa) of the faculty of biology, medicine and health at the University of Manchester in the United Kingdom, in a statement. He was not involved (tham gia) in the study.
Another plus: There was no decline (giảm sút) in the shape and motility (độ di động) of the sperm, which refers to the way sperm swim to their destination, according to the study.
“Whilst sperm numbers matter, the ability of sperm to swim, have healthy intact (nguyên vẹn) DNA and be the right shape, is at least as important,” said Alison Campbell, chief scientific officer of Care Fertility, a network of fertility clinics, in a statement.
source: CNN,
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