"Why Stomach Acid is Good for You" sheds new light on the problem of heartburn and what causes it, which is low stomach acid. It offers a strategic plan that helps relieve the symptoms and addresses the problem at its roots. Many physicians still claim that heartburn is caused by too much stomach acid. But the author says that lowering the amount of acid in the stomach is only a short-term fix that hurts health in the long run. Pharmaceutical companies and authorities ignore the science and allow the anti-acid business to thrive.