We’ve Reached Peak Wellness. Most of It Is Nonsense.

In Silicon Valley, techies are swooning over tarot-card readers. In New York, you can hook up to a “detox” IV at a lounge. In the Midwest, the Neurocore Brain Performance Center markets brain training for everything from ADHD, anxiety, and depression to migraines, stress, autism-spectrum disorder, athletic performance, memory, and cognition. And online, companies like Goop promote “8…

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