Allison Aubrey

The romaine that sickened 172 people in 32 states came from Yuma, Ariz., and is likely completely gone from the food supply. What's now for sale is from California.

The uptick is new after a multi-year sales slump. Among the benefits of frozen produce: it packs as much nutrition as fresh, but with less waste if you don't eat it right away.

The beverage industry is challenging a 1.5 cent per ounce tax on sweetened drinks imposed in Philadelphia. Officials argue the tax is a good strategy to help combat childhood obesity.

Starting Monday, all restaurant chains with 20 or more locations must post calorie counts on menus. Research suggests this information helps diners cut back on calories in small ways that add up.

The tick-borne illness is spreading north and south — about 300,000 U.S. cases a year. As scientists work on better diagnostic tests and surveillance tools, you can take steps to cut your risk.

Sales of probiotics are soaring. While some studies on this beneficial bacteria show it can treat specific health issues in children, scientists are exploring how it may help gut health more broadly.

An FDA advisory committee last week urged approval of a drug containing cannabidiol to treat a form of epilepsy. Other scientists wonder if CBD might ease anxiety or other disorders, too.

After reviewing the medical evidence, the U.S. Preventive Services Task Force recommended exercise as the most effective approach for older people seeking to minimize the risk of falling.

A new study suggests that residents of Philadelphia are 40 percent less likely to drink sweetened beverages daily compared with people in cities that don't have a soda tax in place.

There's evidence that if you regularly bike — even just for fun — you may age better than those who don't. A study shows that cyclists bodies may fend off some of the typical age-related decline.

People with prediabetes like a Washington state chef reversed the diagnosis using a digital program that harnesses the power of wearable devices, data, education, e-coaching and peer support.

The nation's leading group of pediatricians has updated its guidelines for tackling teen mental health issues. One recommendation: Annual depression screening for all adolescents 12 and older.

The HPV vaccine can prevent cervical cancer in women and some cancers in men. It's most effective when given early in adolescence. But a new analysis finds only 29 percent of teens get it by age 13.

If you've got teens at home, getting them off phones and other devices can be a battle. Social media is woven into their evening routine. Too much time on screens can amp up anxiety and depression.

In an era when many kids get a first smartphone at age 10, psychologists say the devices have turned us into Pavlov's dogs — drooling for the next notification, buzz or text. Ready to dial back?

Scientists are keen to figure out how diet influences aging, including brain health. A 5-year study of healthy seniors found those who ate a serving or two of daily greens had less cognitive decline.

The rate of hospitalizations due to influenza is continuing to rise. Now, a study finds the risk of having a heart attack also spikes in the days after a confirmed diagnosis of flu.

There's an explosion of interest in personalized diet approaches and at-home test kits are popping up everywhere. Part of the approach includes analyzing your DNA, but genes can only tell us so much.

Treatment for alcohol problems isn't a one-size-fits-all approach. The NIH has launched a navigator site that can help figure out the scope of the problem and find evidence-based treatment options.

Safety apps are designed to help women ease out of a dating situation that seems uncomfortable or dangerous. But experts say it's also important to help friends in real life.