Traditional Chinese medicine uses it against asthma and acute bronchitis attacks. It is a hot spicy product that releases the cold biao wind. Its main property is that it allows to do the sweating.
Corylus avellana, the common hazel, is a species of hazel native to Europe and western Asia, from the British Isles south to Iberia, Greece, Turkey and Cyprus, north to central Scandinavia, and east to the central Ural Mountains, the Caucasus, and northwestern Iran.