Donor blood now tested for Zika nationwide
While it's no longer an emergency, world health experts say the virus is here to stay.
Later school start times may help night owls during the day
Some teens have an inner clock that puts them biologically out of sync with early school days.
Shop around: Generic drug prices vary widely
Bargain hunting may help savvy shoppers save hundreds of dollars a month.
Traffic crashes have spiked
It's too early to know reasons for the deadly rise.
Some parents more likely to opt out of kids' flu shots
Moms and dads drawn to alternative therapies often skip the protective vaccine.
Healthy holiday gifts under $50
Find the perfect gift for everyone on your list with these 10 health-inspired gifts