WEDNESDAY, May 15 (HealthDay News) -- The U.S. Food and Drug Administration has approved new, lower-dose labeling for the popular sleep drug Ambien (zolpidem) in an effort to cut down on daytime drowsiness that could be a hazard while performing certain tasks such as driving.

MONDAY, May 13 (HealthDay News) -- Close to half of U.S high school students text while driving, a habit that dramatically increases their risk of getting into a potentially fatal car crash, a new study shows.

(HealthDay News) -- For seniors who haven't taken a driving education class in decades, a refresher course may make them much safer drivers.

THURSDAY, May 9 (HealthDay News) -- The number of fatal crashes involving drivers distracted by cellphones is vastly under-reported in the United States, according to a new study.

(HealthDay News) -- Being a safe driver means learning to watch for potential road hazards.

MONDAY, May 6 (HealthDay News) -- The vast majority of parents admit to being distracted in some way while driving their young child around, a new survey reveals.

SATURDAY, May 4 (HealthDay News) -- Forty-three percent of American high school students admit to texting while driving, according to a new study.

MONDAY, April 29 (HealthDay News) -- The population of microbes in the air of the New York City subway system is nearly identical to that of the air on city streets, according to a new study.

FRIDAY, April 26 (HealthDay News) -- A roadside breathalyzer test for marijuana, cocaine and other illegal drugs could be a step closer to reality, thanks to new research.

WEDNESDAY, April 24 (HealthDay News) -- An estimated 5,000 motorcyclists were killed on U.S. roads in 2012, an increase of about 9 percent from the previous year, a new report shows.