Carlo CocuzziAI Expert, Pod Cast Host, Real Estate Investor and Funding Specialist

The Downside of GLP-1 You Need to Know | MOONSHOTS

10 May 2026 · 1 min

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In this monologue, the speaker discusses the expanding evidence that GLP‑1 agonists provide cardiovascular and neurological benefits beyond their primary use for weight loss, emphasizing that the greatest longevity advantage of these drugs is the weight reduction itself, which counters the accelerated aging associated with severe obesity. He notes that GLP‑1s have also helped normalize the social conversation around longevity‑focused medicines. The speaker then highlights a serious but relatively rare adverse effect: an increasing number of individuals in the United States—estimated at 20,000 to 30,000 per year—are experiencing sudden blindness after using GLP‑1 drugs. This condition, referred to as “Nyon,” can also occur without the medication, and its exact cause remains unknown, possibly congenital. Finally, he mentions that a therapy called ER100 is slated for testing as a potential treatment to reverse drug‑associated blindness.

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There's a lot to say about GLP-1s. More and more data is coming out showing benefits to the heart, the brain, beyond just weight loss. But weight loss alone is the biggest benefit you can have for longevity, actually. We don't say it often because it's not socially polite, but being massively overweight is, is a great way to accelerate your, your pace of aging. And I think GLP-1s have paved the way socially for what's to come with longevity medicines. There is one downside that I need to point out besides what's what's known about risks. That is that there's an increasing number of people waking up blind because of it. It's still rare. It's about 20,000 to 30,000 people in the US a year, which is still horrible. And that's one of the conditions that ER100 therapy will be tested to see if we can reverse blindness caused by these drugs. Nyon? It's called Nyon. Yeah. It can happen without the drugs, of course. That happens. We don't actually know what causes it. It might be congenital even.