In this week’s newsletter, we examine whether synthetic pot could be the future of pain relief, explore the benefits and drawbacks of high-protein ultraprocessed snacks, and tackle the science of reaching peak focus.

But first, Chinese scientists just announced the first-ever lung transplant from a pig to a human. 

For the first time ever documented, a pig lung was transplanted into a human, scientists in China announced on Monday. It marks another critical milestone for xenotransplanation, or the practice of exchanging organs between species, and comes on the heels of recent transplants of pig kidneys and hearts into human patients.

It’s dangerous. It’s toxic. And it may provide hope for millions in agony.

Today’s newsletter was edited and curated by William O'Connor and produced by Alisher Egamov. Did someone forward this to you? Sign up here to get this newsletter and more.