Herbal teas are known for their benefits. However, there is one of them that should not be consumed too much. So which herbal tea is risky? here is the answer… Herbal teas that are calming and relaxing are consumed fondly. Excessive consumption of herbal teas is harmful. Here is the herbal tea research and its results. Research Results Memorial Sloan Kettering Cancer Center announced that high doses and long-term use of maté tea increase the risk of prostate, bladder, mouth, esophagus, lung and neck cancers. This tea has been found to contain polycyclic aromatic hydrocarbons (PAHs), which are also found…