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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 627K followers
Created: 2025-07-23 17:30:53 UTC

Infants under X years old in the US:
+ 2.2x higher premature birth
+ 2.39x higher incidence of sudden unexpected infant death

Children and teens 1-19 years old in the US:
+ 15x increased risk of gun-related incidents
+ 2.45x increased risk of car crashes

Additionally, obesity, depression, loneliness, early onset menstruation, and sleep disorders all increased in US children during the 2007-2023 study period.

This study was vast: XX million US children and teens compared with XXX million from XX other countries (OECD18).

![](https://pbs.twimg.com/media/GwjyIUtawAAFIoj.jpg)

XXXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1948073345024741523/c:line.svg)

[Post Link](https://x.com/bryan_johnson/status/1948073345024741523)