The habit of drinking coffee in the morning can imperceptibly develop into addiction, says doctor, psychiatrist-narcologist Yevgeny Bryun.
The doctor warned in an interview that that traditional for many Russians coffee in the morning not only helps to cheer up, but can also be addictive. A person who develops such an addiction may not realize it, but if for some reason he does not drink coffee in the morning, unexpectedly for him, the absence of caffeine can contribute to dangerous changes in well-being.
According to Brune, in such Under certain circumstances, withdrawal syndrome may occur, accompanied by sensations characteristic of a hangover.
“Almost 60% of those who drink a morning cup of strong coffee every day experience headaches, drowsiness, mood swings, anxiety, irritability, decreased performance when forced to refuse it” , – the doctor warned.
The expert noted that in conditions of addiction to coffee, many people begin to unconsciously increase the amount of drink consumed – especially if it is used as a tonic, energy drink. The danger of such a situation is that regular intake of high doses of caffeine provokes the development of increased irritability, insomnia, and can also negatively affect the state of the cardiovascular system.
Earlier, the MedikForum.ru portal wrote about what time doctors recommend breakfast. 
Evgeny Bryun healthy lifestyle chief freelance psychiatrist-narcologist of the Moscow Department of Health