Thread by @LxngevityLab

A new study just reversed aging by 73% in old, near-dying bodies.

Researchers found a way to silence the toxic signals in your blood that force your body to age.

I'd bet my life savings you'll be shocked after reading this thread:

The current approach to aging is broken because we try to patch individual holes while the whole ship is sinking.

Your body is like a house where the repair crew quit and the trash is piling up in the hallways.

This led to a discovery that changed how we use the "love hormone" to fix the mess.

Researchers used mice between 24 and 26 months old for this study.

This age is the biological match for a 75-year-old human with significant muscle loss.

This led to a test using a hormone everyone knows – but for the wrong reasons.

1. Oxytocin is famously called the "love hormone," but that is just a nickname.

In reality, it is a hormone made in your brain that acts as the ''maintenance manager'' for your body.

Its mechanical job is to wake up your stem cells so they can fix old muscle and skin.

When you are young, your "maintenance manager" is on the clock 24/7.

As you age, your Oxytocin levels crater, and your repair crew essentially stops showing up.

But even if you bring the manager back, there is a second problem blocking the work.

That problem is a protein called TGF-beta which acts like a "stop" sign for your cells.

As you get old, your blood fills with this signal, telling your body to stop repairing and start scarring.

This is where the second compound, an comes into play.

2. The Alk5 inhibitor works like a mute button for that "Stop" signal.

By silencing the TGF-beta, it removes the brick from under the brake pedal.

Once the brake is released, the Oxytocin can finally reach the stem cells and tell them to start building again:

The results in male mice were documented as a 73% increase in remaining life.

Their median survival jumped from 93 days to 240 days once the signaling was fixed.

The data showed they didn't just live longer but also regained the physical power of a much younger mouse.

Scientists measured 31 separate health markers like vision and grip strength.

The treated males ran twice as long on treadmills and showed 2.87x lower risk of death.

But the data took a sharp turn when the team looked at the female group.

The female mice received the exact same dose in the same lab environment.

They showed zero increase in lifespan and actually performed worse in several physical tests.

By the 4-month mark, the female biology simply stopped responding to the repair signals.

DISCLAIMER

This thread covers a real 2025 UC Berkeley study in Aging. The 73% lifespan extension was seen only in male mice — females showed no benefit. This is early mouse research, not proven in humans. Oxytocin is FDA-approved for other uses; Alk5 inhibitors are experimental. Do not self-experiment. This is not medical advice. Consult a doctor. For educational purposes only.

This proves that aging is sex-biased at a deep biological level.

What saves a man might do absolutely nothing for a woman once they hit a certain age.

The chemicals used in this study, however, are already available today.

Oxytocin is FDA-approved and has been used for decades in hospitals.

Alk5 inhibitors are currently being tested in human cancer trials with documented safety data.

The timing of the dose is the 1% nuance that determines if the body accepts the signal.

And before you scroll…

If you got value from this thread, follow @LxngevityLab and retweet the first post.

See you in the next one!

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