Tag: sperm count

Physical Work May Solve Global Decline in Sperm Counts

Posted on by Jesse Santiano, M.D.

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…

Pfizer shot lowers semen concentration and impairs sperm cells for months

Posted on by Jesse Santiano, M.D.

Pfizer shot lowers semen concentration and impairs sperm cells for months The peer-reviewed study Covid-19 vaccination BNT162b2 temporarily impairs semen concentration and total motile count among semen donors was published in the journal Andrology this month. The results showed a decrease in the semen concentration and sperm motility for several months after two Pfizer shots….