#389 - Thinking scientifically: why it's hard, why it matters, and a practical toolkit

“the answer is often simply heavy metal contamination, which means you aren't getting assurance that your ashwagandha capsule contains ashwagandha. You're getting, at best, assurance that your ashwagandha capsule doesn't contain toxic levels of lead. It's not that lead contamination isn't a problem, nor is it an overt lie that the product was tested.”

“comes from inside the medical community itself, and it's actually something I wrote about in Outlive. In the 1840s, Ignis Semmelweis was working in the maternity ward of the Vienna General Hospital.”