After reading this paper and the comments on HN, further googling (actually braving) led me to buy this book: Why Stomach Acid Is Good for You: Natural Relief

After reading this paper and the comments on HN, further googling (actually braving) led me to buy this book: Why Stomach Acid Is Good for You: Natural Relief from Heartburn, Indigestion, Reflux and GERD by Jonathan Wright https://www.amazon.com/Why-Stomach-Acid-Good-You-ebook/dp/B00AE1M1R0 https://www.amazon.com/Why-Stomach-Acid-Good-You-ebook/dp/B0... Recommended