Herbal products can have harmful side effects too, says a study, published in the Canadian Medical Association Journal. It was corroborate by an incident in Canada when a man landed up in a hospital for high-blood pressure emergency after over-consuming homemade tea made from licorice root.
"Excessive amounts of some herbal products can have harmful side effects," said Jean-Pierre Falet from 㽶Ƶ in Canada. And products containing licorice root extract can raise blood pressure leading to headache and chest pain.