Why 'Mad Friday' leads to 'Dry January'
18 December 2015 Last updated at 20:38 GMT
Revellers have been warned to drink responsibly on "Mad Friday", usually one of the busiest days of the year for UK pubs and clubs.
The last weekend before the Christmas holiday could see alcohol-fuelled emergencies increase by up to 50%, officials believe.
Charities and Public Health England are now warning of the dangers of excessive drinking as Elaine Dunkley reports.