H. pylori infection can cause reduced stomach acid levels (hypochlorrhydria). Without adequate stomach acid, minerals such as iron, magnesium and copper, and vitamins such as vitamin B12, may not be absorbed into your body effectively. If you do not remove H. pylori, your stomach acid levels may not recover, leading to chronic malnutrition. When your body is low in these nutrients, all manner of symptoms can develop, including fatigue, depression, neurological symptoms such as headaches, memory and concentration problems, lethargy, apathy and many others. There are many types of anemia, but to keep it simple, they tend to result...