Cassia seed is slightly cold, and people who are prone to diarrhea, diarrhea and stomachache should not drink this tea. It should be noted that people with diarrhea and hypotension should use cassia seed preparation with caution. The side effect of "catharsis" must attract the attention of pregnant women. The latest research found that long-term drinking light will lead to irregular menstruation, and even make the endometrium abnormal, thus inducing premature delivery.

Others wait for the master to explain.