There are various sampling methods. The one chosen will depend on a number of factors (such as time, money etc.). 1. Random Sampling Everyone in the entire target population has an equal chance of being selected. This is similar to the national lottery.
Various types of medications have been evaluated for migraine prophylaxis, including beta blockers, antidepressants, anticonvulsants, nonsteroidal anti-inflammatory drugs (NSAIDs), angiotensin blockade agents, and calcium channel blockers.
Headache Remedies. Herbal remedies for headaches: The most common herb used to treat migraines is feverfew. The familiar culinary herb bay laurel contains pathenolides, the same phytochemical contained in feverfew Try using bay in combination with feverfew to prevent migraine headaches.