Cousin of oregano..and this is because in many cuisines, especially the Mediterranean, it is used as a spice to give unique flavor in food.
As a tea it helps in headaches, migraine, and insomnia.
It has a soothing effect in the gastro-intestinal system.
Also, studies have shown that marjoram tea can help in menstrual cramps.
Drink it as a tea, 1tbsp, 2-3 times a day.