Is tea decoction good for health?
Black tea contains flavonoids, which are beneficial for heart health. Studies have found that regularly drinking black tea may help reduce the risk of heart disease.
Is black tea harmful?
High amounts of black tea can cause side effects due to the caffeine in black tea. These side effects can range from mild to serious and include headache, nervousness, sleep problems, vomiting, diarrhea, irritability, irregular heartbeat, tremor, heartburn, dizziness, ringing in the ears, convulsions, and confusion.
Is tea bad for kidney?
Caffeine found in coffee, tea, soda, and foods can also place a strain on your kidneys. Caffeine is a stimulant, which can cause increased blood flow, blood pressure and stress on the kidneys. Excessive caffeine intake has also been linked to kidney stones.