In «School-lyceum №20» for pupils of 8-11 grades five minutes information was held. The information was about the effect of harmful substances on the human body. The purpose of the event: the formation of a healthy lifestyle and ideas about harmful substances. Teenagers were given detailed information with a video about bad habits that negatively affect human health. The use of drugs, alcohol, tobacco and other harmful leads to irreversible effects in the body of a teenager, and even early death. Five-minute information about healthy lifestyles are held by lecturers group 2 times in a month.