It may be unwise to party hard on your birthday especially if you're younger than 30 years old according to a new study. New research found that birthday-related drinking is associated with upsurges in hospital admissions among young people. Researchers led by University of Northern British Columbia Associate Professor of Psychiatry Dr Russ Callaghan analysed records from all hospital admissions in Ontario over a five-year period (2002-07) involving people aged 12 to 30 years. They discovered that during the week in which Ontarians turned 19 - the legal drinking age they produced an increase in hospital admissions of 114 per