@JoshBloomACSH
4.8K posts

@JoshBloomACSH
@JoshBloomACSH
Director of Chemical and Pharmaceutical Sciences The American Council on Science and Health

I want to let you in on something. A secret operation. A quiet, well-organized conspiracy of scientists, regulatory wonks, and one very caffeinated toxicologist in North Carolina, who has been working covertly — methodically, ruthlessly — to convince the American public of a single, dangerous idea. That idea is this: Europe approved food dyes. Join the cabal. Find out more. Like and Subscribe at my new Substack open.substack.com/pub/dispatches…

Ever heard someone say "ultra-processed foods" (UPFs) are killing us... but struggle to define exactly what they are? 🤔 It's like Justice Potter Stewart's famous line on obscenity: “I know it when I see it.” Turns out, defining UPFs is just as slippery. 🧵


Life lesson: French fries are OK IN MODERATION. Cooked in beef tallow? Sure. Cooked in seed oils? Fine. Just don't overdo it. We explain on the latest episode of our Science Dispatch Podcast.


🏀Germ theory, smallpox inoculation, HIV therapies, genome mapping + more game-changers! In honor of #marchmadness, dive into Public Health's Sweet 16 breakthroughs with @adolaskie.🧵

In California, restaurants have to put up a cancer warning if they serve you potatoes. Why? Join @JonEntine + @DrLizaMD and me to break down Prop 65: An absurd law that lets tort lawyers cannibalize businesses on the basis of junk science. 🧵

Fact: you'd have to eat 30 bowls of cheerios a day for year to get near the EPA's limit for safe #glyphosate exposure.

Aging research has exploded with legitimate science being thrown into the mix. But there are plenty of “biohackers” who are jumping the gun without waiting for proof of efficacy. Often, those jumps amount to giant leaps. Maybe off a cliff. acsh.org/news/2026/03/1…

You’ve been lied to about nuclear power. Here’s the truth: it’s the densest, cleanest and most reliable energy source on Earth — not wind, not solar. Nuclear. Watch this clip from our documentary Big Fears, Little Risks. 🧵