Male fertility basics

According to Professor Pacey, roughly 9 in 10 anabolic steroid users “are likely to become sterile."

Male sperm counts have dropped 50% in four decades, raising urgent fertility concerns.

Delaying parenthood carries health risks, but medical advances may make waiting worthwhile for prospective parents.

Excessive exercise harms physical and mental health, and can reduce libido in men.

Regular moderate exercise 3-5 times weekly for 6 months improves male sperm quality better than high-intensity interval training.

Many people claim that soy contains estrogen.

Varicocele is an enlargement of the veins within the scrotum.

Excessive sugar consumption may harm male fertility, raising questions about which sugars are safest for sperm health.

Finasteride may affect fertility and sexual function, so understand these risks before treating hair loss or enlarged prostate.

Male fertility declines with age too, though less sharply than female fertility.