Bryan Johnson (@bryan_johnson)

Study uses MRI ad machine learning to estimate brain age, and identifies 64 “druggable” genes that drive brain aging...

The LA fires filled my body with harmful toxins. One toxic chemical, NAPR, an organic solvent used in metal cleaning, foam gluing, and dry cleaning, increased by 728%. If you were exposed too, here is what you can do. 🧵 ...

The New York Times is preparing to publish a hit piece on me. I found out this story is running because a reporter from NYT emailed me and my colleagues her “fact-checking” questions. This is standard practice before publishing a story. “I am working on a story about Bryan Johnson and his weaponi...

As part of MAHA, @RobertKennedyJr wants to eliminate fluoride from U.S. drinking water. Fluoride has been in US drinking water since the 1960s, mainly to prevent tooth decay. Is this a good or bad idea? Let's look at the science. 🧵 ...

I achieved the best recorded sleep score in history. Eight months of perfect, 100% sleep. Spent a year learning how to do it. Here are 10 habits that fixed my terrible sleep... 🧵 ...