Declining Male Sperm Count Is at a Global Crisis Level

A meta-analysis of sperm count in men on six continents shows an alarming decline that continues to accelerate, according to an international team of researchers at Hebrew University of Jerusalem's Hadassah Braun School of Public Health.

What to know:

• Overall, there is a significant worldwide decline in sperm counts of more than 50% in the past 46 years, a decline that has accelerated in recent years.
• Sperm count declines among men from South and Central America, Asia, Africa, North America, Europe, and Australia have accelerated in the last 5 years and reflects a global crisis related to our modern environment and lifestyle, with broad implications for the survival of the human species.