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![bryan_johnson Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::17468569.png) Bryan Johnson [@bryan_johnson](/creator/twitter/bryan_johnson) on x 627.3K followers
Created: 2025-07-23 18:07:32 UTC

2/ The effect is real, the boys suffered with no ice

XX sauna sessions with full heat on balls
+ total motile count ↓ XX%
+ motility ↓ XX%
+ normal morphology ↓ XX%

Compared to the levels following sauna with ice protection


XXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1948082569054245156/c:line.svg)

[Post Link](https://x.com/bryan_johnson/status/1948082569054245156)