Bryan Johnson(@bryan_johnson):I love the sun. I wish I could be in it all day, everyday. That’s what I did as a kid. Since starting my longevity project, I learned there is a tradeoff to sun exposure. It ages your skin, driving deep wrinkles, skin laxity and sun spots. 90% of visible skin aging is from the sun. Becoming sun aware for the past five years, I've reversed my skin age by 9 years. I've learned, nothing in biology is free. It always cuts two ways.

Bryan Johnson

@bryan_johnson

Conquering death will be humanity’s greatest achievement.

Joined November 2008

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Bryan Johnson@bryan_johnson

2026.07.29 16:54

I love the sun. I wish I could be in it all day, everyday. That’s what I did as a kid. Since starting my longevity project, I learned there is a tradeoff to sun exposure. It ages your skin, driving deep wrinkles, skin laxity and sun spots. 90% of visible skin aging is from the sun. Becoming sun aware for the past five years, I've reversed my skin age by 9 years. I've learned, nothing in biology is free. It always cuts two ways.

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