Vietnam is one of the countries with the highest rate of alcohol consumption in the world today. Beer or wine are drinks containing ethanol alcohol with different concentrations, for example, beer contains about 5% alcohol, wine contains about 9 - 16% alcohol, strong alcohol contains over 20% alcohol. Ethanol is the main ingredient that causes the main harm when we drink alcohol and beer.

Many people who drink too much alcohol in the evening often have headaches the next morning when they wake up. In particular, patients who often suffer from migraines only need to consume a small amount of alcohol to cause a severe headache.