18 May 2015, 07:27 PM ET
Some electronic cigarette companies say that the products help people quit smoking, but the evidence to back up this claim is lacking, a new study finds.
18 May 2015, 07:06 PM ET
A leading U.S. physicians' group has distilled all the advice about cancer screenings. Here is their guidance for adults about getting screened for five common cancers.
18 May 2015, 04:58 PM ET
Viruses could be used in the fight against the deadly scourge of bacteria that can't be treated with antibiotics, researchers say.
18 May 2015, 11:31 AM ET
For NFL players, a certain type of concussion — one that includes losing consciousness — may be worse for the brain, according to a new study
18 May 2015, 07:15 AM ET
Parents with concerns about their kids' behavior do not always talk about their worries with their child's doctor, but they should, researchers say.
17 May 2015, 01:42 PM ET
Some children who have asthma may also have peanut allergies but not know it, according to a new study.
15 May 2015, 06:00 PM ET
Smoking may cause changes in cells that are linked cancers beyond lung cancer, including breast and gynecological cancers, a new study finds.
15 May 2015, 05:17 PM ET
A specialized pacifier, developed by a nurse at Winnie Palmer Hospital for Women & Babies, is proving to have huge benefits for premature babies. Now the nurse who developed it is working to make them available to preemies wherever they are needed.
15 May 2015, 04:23 PM ET
The new "mini" size of Starbucks' Frappuccino iced drink is a good idea, but people should still be aware that the sugar-filled beverages are essentially desserts and thus shouldn't be consumed too frequently, experts say.
15 May 2015, 07:40 AM ET
Many probiotics contain small amounts of gluten, but whether such traces are harmful for people who can't eat gluten is still unknown, a new study finds.
14 May 2015, 09:01 PM ET
Tonsil stones are accumulations of bacteria and debris in the crypts of some people's tonsils. This problem is not dangerous and is usually easily treatable.
14 May 2015, 06:54 PM ET
Older men who exercise 30 minutes a day tend to live longer than their couch potato counterparts, a new study finds.
14 May 2015, 03:09 PM ET
outbreak of a stomach bug in Oregon tied to swimming in a lake highlights a perhaps less obvious hazard of summer fun.
14 May 2015, 12:05 PM ET
Cinnamon and statins could interact and wind up damaging the liver, researchers say.
14 May 2015, 11:58 AM ET
The most common killers in the United States are well known — heart disease and cancer. But there are other, less common causes of death that are actually much more typical in certain states compared to the nation as a whole.
13 May 2015, 08:51 PM ET
Albuterol is a prescription medicine prescribed for patients struggling with asthma, emphysema, bronchitis and other lung diseases.
13 May 2015, 06:23 PM ET
People who use drugs only on the weekends are likely to shift to more frequent use after six months, new research suggests.
13 May 2015, 04:35 PM ET
People who have depression for a long time may be at increased risk for stroke, a new study suggests.
13 May 2015, 03:10 PM ET
Yesterday's deadly Amtrak derailment in Philadelphia, which killed at least eight passengers and injured hundreds of others, may have people wondering, where is the safest place to sit on a train?
13 May 2015, 01:43 PM ET
About a third of Americans live in areas where allergies could be made worse by a combination of unhealthy ozone levels and ragweed pollen, according to a new report.
13 May 2015, 07:37 AM ET
Meditating and doing yoga may alleviate the symptoms of two hard-to-treat gut disorders, new research finds.
13 May 2015, 01:44 AM ET
Kale is a leafy green that is highly nutritious, containing high levels of vitamins, minerals, and brain-boosting phytonutrients.
12 May 2015, 03:55 PM ET
Breathing air that has lower levels of oxygen is linked with signs of depression, according to a new study in animals.
12 May 2015, 03:25 PM ET
A boy in Illinois whose left eye glowed with white light in a cellphone photo turned out to have a rare type of cancer that's diagnosed in only a few hundred U.S. children each year.
12 May 2015, 01:18 PM ET
Which dietary supplements are truly dangerous, and which actually help?
12 May 2015, 01:05 PM ET
Some human genes have activity levels that vary with the seasons, a new study shows.
12 May 2015, 06:23 AM ET
One reason why dieting is hard is that people want to "think" their way to eating healthier, but when they're hungry, their feelings may disrupt those plans, a new study says.
11 May 2015, 09:15 PM ET
Superfoods are foods thought to be good for one's health. The term has no set scientific meaning, however, and any list of superfoods is subjective.
11 May 2015, 07:31 PM ET
The plethora of microbes on your body are unique to you — so much so that they might be used to identify you from hundreds of others, a new study suggests.
11 May 2015, 05:00 PM ET
A woman in Sweden experienced a stroke while exercising that doctors suspect was caused by an unlisted ingredient in a workout supplement — a compound similar to amphetamine.
11 May 2015, 03:49 PM ET
Smoking marijuana can lead to more than a euphoric high. Pot has been linked to long-lasting delusions, mouth swelling and several other surprising effects.
11 May 2015, 01:48 PM ET
Eating a Mediterranean diet -- with lots of nuts and olive oil -- may help delay cognitive decline in older adults, a new study finds.