Physical Work May Solve Global Decline in Sperm Counts

A meta-analysis published in Human Reproduction showed a continued global decline in sperm counts.[1] The research studied the sperm concentration and total sperm count of men from North America–Europe–Australia, and South/Central America–Asia–Africa using 223 studies from 1973-2018.[1] The study results pertain to young men who are unlikely to be aware of their fertility, such as…