From irritable bowel syndrome to acid reflux, digestive disorders are on the rise. According to the National Institutes of Health, more than 90 million Americans suffer from some form of digestive disease. More concerning, even though digestive distress can indicate serious disorders, many people donâ€™t seek help. Lifestyle changes and medical intervention can not only provide relief, they can reduce your risk of developing potentially life-threatening conditions, such as cancer. This digestive health quiz will help you determine how much you know about those nagging digestive symptoms and if you need to make an appointment with your doctor.