filosoful OP t1_ja8l1gm wrote
A new study from Harvard Medical School researchers at Brigham and Women’s Hospital suggests that men who regularly lift heavy objects at work have higher sperm counts than men whose work is less physically demanding.
The study, published in Human Reproduction, is part of the Environment and Reproductive Health (EARTH) cohort, a clinical study that aims to explore how environmental chemicals and lifestyle choices affect reproductive health.
Treat_Street1993 t1_ja970sr wrote
You ever see the difference between the male Orangutans of Sumatra vs. Borneo? Where food is abundant and the males do not fight, makes tend not to develop the massive face. Where food is scarce and males live solidarity and in competition, they tend to all develop the large leathery cheeks. Scientists claim not to know how it works, but I'm sure it is related to what we see here. Stressing a male body must cause a feedback loop of hormones that strengthens it, even to the point of physical transformation.
Throwmedownthewell0 t1_jabhr5t wrote
The study also showed that a significant proportion of male researchers had lower sperm counts. It concluded there was no correlation and that male researchers are virile actually.
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