Binge drinking was defined in the study as consuming five or more alcoholic beverages in less than two hours. The study was published today in the Journal of Adolescent Health.

Data on alcohol consumption at age 20 were collected from 756 participants in the Nicotine Dependence in Teens study, which has followed 1294 young people from diverse social backgrounds in Montreal, Canada since 1999.

Data were collected again at age 24, at which time participants' systolic blood pressure was also taken. Systolic blood pressure measures the pressure in the arteries when the heart beats (when the heart muscle contracts), and it should be below 140 millimeters of mercury.

A blood pressure reading of more than 140 over 90 indicates high blood pressure. The latter number, diastolic blood pressure, measures the pressure in the arteries between heartbeats (when the heart muscle is resting between beats and refilling with blood).

The study also revealed that 85 percent of young adults who drink heavily at age 20 maintain this behaviour at age 24.


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