Kerby Anderson

Nearly half the state legislatures have passed laws requiring that only females can participate in girls’ and women’s sports. Some of these laws are being challenged in court along with court challenges in states that allow biological males to compete with biological females.

Gregory Brown is an exercise physiologist who documents the biological differences between men and women in sports. Many biological factors influence human performance, but “one of the most important factors that influences adaptations to training and performance in sports is sex, because sex influences every system and every cell in our body.”

A fair comparison between male and female differences in anatomy and physiology give males athletic advantages when compared to gifted and trained females of the same age. It is also true that puberty magnifies those sex-based differences. He lists those increased percentages in his article, and they are significant.

He also addresses the argument that hormone therapy decreases the biological advantages. For example, men have 30-60 percent higher muscle strength than women. Even after “undergoing testosterone suppression” the decrease in strength is less then 9 percent.

Sure, some women are taller than some men. Some women can run faster than some men. But the tallest women are shorter than the tallest men. The fastest men are faster than the fastest women. A blood test or a genetic test cannot determine a transgender identity. Biological sex is still present, and it is logical to assume the inherent male athletic advantages are still present.

This is the science that lawmakers, judges, coaches, and parents must accept. There are clear differences between men and women when competing in sports.