The third reason , although adverse effects of drinking coffee. Several studies have found that it works on the dangers of drinking coffee as well. That is quite clear that coffee causes ulcers in the stomach (peptic ulcer) inducing the symptoms of GERD (gastro esophageal reflux), the level of fat in the blood (increase lipid level) blood pressure to rise temporarily (high blood pressure. ) interfere with iron absorption and causes anemia (iron deficiency anemia) in the mother and baby. Cause sleeplessness (insomnia) and anxiety (anxiety) as well as the effect of coffee. The effect of coffee comes from epidemiological studies which have many limitations. Consider the pros and cons of drinking coffee, so it should be done very carefully