{"schema_version":"bf_book_companion_v1","release_id":"20260414T102527Z","book":{"amazon_purchase_url":"https://www.amazon.com/dp/0801018390?tag=bookfrontier-20","asin":"0801018390","authors":["Dr. Caroline Leaf","Caroline Leaf"],"book_id":"9780801018398","canonical_url":"https://bookfrontier.com/books/9780801018398","cover_image_url":"https://img.bookfrontier.com/9780801018398.jpg?v=20260414T102527Z%3A2026-04-14T10%3A25%3A27Z","description":"OVER 1 MILLION COPIES SOLD! Imagine finding a switch to unlock a happier, healthier, more enjoyable life. Here's the secret: You already have it. It's your mind. The vast majority of the illnesses that plague us today are a direct result of our thought life. What we think about truly affects us both physically and emotionally. Our culture is undergoing an epidemic of toxic thoughts that, left unchecked, create ideal conditions for illnesses. 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