WEDNESDAY, June 18 (HealthDay News) -- If you sidle up to a bar and assume one drink an hour won't make you legally drunk, think again. A new study finds that bartenders pack a lot more booze into common drinks than many people realize.

Researchers visited 80 bars and restaurants in Northern California last year and found that glasses of wine and spirits are often 50 percent larger than the "standard" size used in guidelines. That means people who follow recommendations about avoiding more than one drink an hour may be getting more booze than they bargained for, the study found.

FRIDAY, March 21 (HealthDay News) -- Mutations in a gene called GIGYF2 may be directly linked to the development of Parkinson's disease in families with a history of the neurodegenerative condition, U.S. researchers report.