Kennedy Jr. has, historically, been very public about his concerns about what is plaguing the nation’s well-being. His long, complicated history with vaccines is well-documented. So is his ...

Gen Alpha boys might not feel so “alpha” when they hear the depressing claim about their sperm. “In 1970, men had twice the ...

Controversial claim: Kennedy said teen boys’ sperm counts are half of 1970 levels, calling it an existential crisis for the U.S. Policy overshadowed: The remark diverted attention from a new proposal ...

Add Yahoo as a preferred source to see more of our stories on Google. Men aren’t producing as many sperm as they were decades ago. It’s a trend observed around the globe. The pace of decline is ...

New research published in the journal Human Reproduction is challenging recent reports that sperm count in men is on the decline globally. AFP via Getty Images Don’t count men out just yet. New ...

What does a decrease in sperm count mean for men? That's the question many are asking after a recent study found that sperm counts appear to have dropped by more than half in the past 40 years in the ...

Most men know stress can affect the libido. But they don’t realize stress may also affect sperm health. Here’s what men can do to produce healthy sperm.

CHICAGO (Reuters) - Eating a half serving a day of soy-based foods could be enough to significantly lower a man's sperm count, U.S. researchers said on Wednesday. The study is the largest in humans to ...