Can overnight tea cause cancer?

Many people have such experiences: after making a pot of tea at night, I don’t want to drink too much for fear of not being able to sleep. The remaining half pot was put on the next day, and I wanted to drink it, but I hesitated a little. I heard that the nitrite content in overnight tea will increase, and nitrite will cause cancer. Is there any safety problem with drinking tea overnight? Can tea at night cause cancer? Since everyone is worried about nitrite in tea overnight, let’s talk about nitrite. In fact, nitrite itself does not cause cancer. However, after food containing nitrite is eaten into the human body, under the action of gastric acid, it will Read More …