When is tea 🥃 harmful to humans?   Answer: Tea is harmful to humans in four cases, which are as follows:   ⓵) If consumed in excess: it causes ulcers in the stomach and duodenum. 2) If it is boiled so much that its color turns dark brown: it causes a disturbance in the heart muscle, constipation, and laziness in the digestive system. ③) If it is drunk immediately after eating: it causes indigestion, so it is preferable to drink it an hour after eating. ④) If it is drunk on an empty stomach, meaning on an empty stomach or…