Sperm has been having a tough time lately. The concentration per ejaculate is getting lower, scientists have created an artificial version that could one day replace it, and to make matters worse, common household products might affect the quality of the little guys.
Unfortunately this new study just adds to the bad news, discovering a completely new sperm structure, which may be partially responsible for everything from infertility to miscarriages and birth defects.
Scientists Just Discovered a Brand New Part of Sperm That Could Explain Infertility
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