A man can produce 1,500 sperm a second.
Researchers at Israel’s Ben-Gurion University of the Negev found that sperm decreases significantly from spring into summer and fall, and rebounding in the winter. This study tested 6,455 semen samples throughout three years. According to the researchers, the physical structure of sperm cells are also the healthiest in winter.
The main objective of this study was to check and explore the possibility of the change of weather affecting the quality of sperm, as this is a natural well known phenomenon that happens from the animal world. The possibility of temperature playing a key role in sperm health, as similar to that of changes in light that causes sperm variation in some animals.
For instance, “it makes sense that we might see seasonal differences in sperm production, because we know that when the testicles get too hot they work less efficiently,” said Allan Pacey, senior lecturer in andrology—the study of male reproduction—at the University of Sheffield in the U.K., who was not involved in the new study.
With that being said, the real reason for the reduction of male fertility is still a mystery to be solved. Researchers are still gathering factors that may cause differences and variations for the fertile male population.
Source: National Geographic
