Apps Show Promise To Help Heavy Drinkers Age 21–25 Cut Back

A smartphone breathalyzer and blood-alcohol estimator reduced drinking — even though participants weren’t trying to drink less

Smartphone apps to track blood alcohol abound, but until now had little evidence to show they help manage drinking in young adults. A new University of Florida study shows that heavy drinkers age 21-25 who weren’t trying to cut back on alcohol reduced their drinking by four and a half drinks per week while using the apps — nearly one drink less on each day they imbibed.

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