It is
used in herbal medicine to treat headaches, migraine headaches and various
crises (nerves, hysteria), dyspnoea, blurred eyes, asthma, as a soothing
treat for nerve tachycardia, to tackle hypertension and arteriosclerosis, to
treat circulatory and respiratory problems, as well as tumors, even malignent
ones, as it appears to kill cancer cells and strengthen the immune
system.
The sprigs, leaves and fruits of the gui are used to produce an extract
that the patient can receive orally.