The Court of Arbitration for Sport (CAS) ruled that athletes can determine their own sex in international sports like the Olympics.
Health refers to physical, mental, and social well-being. It’s a broad category that contains fitness and exercise, nutrition, health science, and mental health.
Studies have shown there is no single determinant of sex, gender, or sexuality. Thus, a binary distinction of “male or female” fails to describe a wide range of humans in practice.
Nettie Stevens and Edmund Beecher Wilson independently discovered the chromosomal XY sex-determination system (that males have XY and females have XX sex chromosomes).