““Migraine attacks are often preceded by visual disturbances, weakness, dizziness, ringing in the ears, and other symptoms. Many patients report that they can avert a migraine attack by smoking a joint at the first warning of onset. Others take a small dosage daily to ward off attacks. Patients say inhaled marijuana is preferable to oral preparations such as Marinol in such situations, because quick treatment is necessary. (There is no evidence that CBD or other non-THC cannabinoids are helpful against migraines.)””
