Eat a healthy, well-balanced diet of fruit, vegetables, whole grains, and quality protein. Eat lots of dark green vegetables such as broccoli, spinach, and kale. You can also eat eggs, yogurt, and low-fat milk to gain healthy proteins. These foods contain vitamin B which helps prevent migraines.  Eat foods rich in magnesium. Magnesium relaxes blood vessels and ensures proper cell function. Magnesium-rich foods include nuts such as almonds and cashews, whole grains, wheat germ, soybeans, avocados, yogurt, dark chocolate, and green leafy vegetables.  Oily fish may help prevent migraines. Consume oily fish such as salmon, tuna, sardines, or anchovies three times a week to increase your omega-3 and fatty acids intake. Tobacco use is known to trigger migraines.  If you feel that you cannot quit on your own, talk to your physician about strategies or medications that can help you quit.  One study has shown that smoking more than 5 cigarettes per day is more likely to trigger migraines.  If you are unable to quit, limiting yourself to fewer than 5 each day might have some benefit. Caffeine is something that affects people in different ways. Some people find that caffeine triggers their migraines, while others are helped by caffeine. If you regularly use caffeine and suspect it may be causing migraines, try to cut back a little at a time. Sudden caffeine withdrawal can precipitate migraines, so be aware of that and wean yourself off of caffeine slowly.  Caffeine is the prime ingredient in some migraine relief medications, so it is known to help. If you are an everyday caffeine drinker, caffeine may not help you because your body may have already built up a tolerance. Include caffeine containing food and beverage in your migraine diary and elimination trials to see the effects in your own case. A disturbed sleep routine reduces your energy and tolerance to certain stimuli. Lack of sleep and insomnia increases the chances of a migraine. Too much sleep can also cause a migraine. If your body is not getting adequate...

TL;DR in Vietnamese:
Ăn các thức ăn thích hợp. Bỏ thuốc lá. Tránh caffeine. Ngủ đều đặn hơn. Hạn chế lượng cồn nạp vào cơ thể. Kiểm soát hoặc tránh stress. Tập thể dục thường xuyên. Dùng máy tạo ẩm.