A BRIDE who died after drinking heavily on her wedding night may have been a victim of her genes - or have mixed the drink with other drugs, scientists say. Alcohol alone rarely kills unless the drinker has a very poor tolerance to it, according to Dr Cho Chi-hin, reader in pharmacology at the University of Hong Kong. 'I have reservations that someone could die from alcohol by itself,' he explained. According to a report to police, Hui Kit-ha, 29, fell unconscious after drinking heavily at her wedding banquet in Sha Tin on Sunday. Her new husband, Hung Wai-keung, 28, worried when she had not woken by noon on Monday, called police. She was taken to Fanling Hospital, but was pronounced dead. Postmortem examination results were not yet available, police said. Alcohol is broken down in the liver by two enzymes, but Dr Cho said Asian people had an 'inborn trait, a genetic effect' which reduced the system's efficiency.