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- Men who reported often moving heavy objects at work had 44% higher sperm counts https://academic.oup.com/humrep/advance-article-abstract/doi/10.1093/humrep/dead027/7034534 3 comments
- Physically Demanding Work Tied to Higher Male Fertility. Research found men who reported often lifting or moving heavy objects at work had 46 percent higher sperm concentration and 44 percent higher total sperm count compared to those with less physical jobs. https://hms.harvard.edu/news/physically-demanding-work-tied-higher-male-fertility 335 comments science