In this week’s newsletter, we ask the experts if you can ever take too much melatonin, dive into whether psychedelics will ever live up to their promise, and shed light on an ancient practice that could alleviate childbirth risks.

But first, there’s been a lot of chatter lately about “lymphatic drainage.” But what exactly is it?

A gua sha for your face. A dry brush for your legs. Compression leggings for daily wear. Massages. These goods and services all offer ways to clear the lymphatic system of what influencers describe as the toxic waste that accumulates in the body. But what is lymphatic drainage doing, if anything? And how did it become so popular among wellness influencers?

The mind-expanding drugs have seen tremendous momentum, with some states legalizing their use. But some experts are not so enthusiastic.

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.