20 August 2015, 12:09 PM ET
After nearly 10 years without a case of plague, California has seen two cases already this summer. What's behind the return of plague to the state?
20 August 2015, 07:41 AM ET
People who have fewer moles may be at higher risk for aggressive skin cancer than those with more moles, according to a new study.
20 August 2015, 02:28 AM ET
Vitamin B6 is important to maintaining a healthy body and developing a healthy brain.
19 August 2015, 07:05 PM ET
The "smart drug" modafinil improves performance on long and complex tasks, and also enhances decision-making and planning skills in certain people, a new study finds.
19 August 2015, 05:08 PM ET
Although genetically modified organisms (GMOs) themselves don't appear to have ill effects on human health, some researchers argue that the herbicides used on these crops are an overlooked health threat.
19 August 2015, 02:00 PM ET
Vomiting creates a fine spray of airborne virus particles, a vomit device proves.
19 August 2015, 12:08 PM ET
Researchers at North Carolina State University have developed a "vomiting device" to study the transmission of norovirus -- the dreaded stomach bug that causes diarrhea, nausea, vomiting and stomach pain.
19 August 2015, 07:31 AM ET
An outbreak of a rare and fatal brain disease tied to human growth hormone treatments in the 1950s through the 1980s continues even today, decades after the hormone treatments were stopped.
19 August 2015, 07:27 AM ET
Marijuana is burning in California, but nobody feels buzzed about it.
18 August 2015, 02:56 PM ET
Teens who "vape," or use electronic cigarettes may be more likely to start smoking regular cigarettes than teens who have never tried e-cigarettes, according to a new study.
18 August 2015, 11:15 AM ET
There are five medications approved in the U.S. for the long-term treatment of obesity, but none can take the weight off without the help of diet and exercise.
17 August 2015, 05:37 PM ET
Two shocking accounts of doctors behaving inappropriately while their patients were under anesthesia came to light in an essay published today in a respected medical journal.
17 August 2015, 03:41 PM ET
Soaking muscles in cold water after workout may do more harm than good, a new study finds.
17 August 2015, 03:25 PM ET
The bacteria in a pregnant woman's body may provide clues to her risk of going into labor early, according to a new study.
17 August 2015, 02:04 PM ET
A new study finds that shortly before a diagnosis of ALS, people with the condition have a higher calorie intake, but lower BMI, than people who don't develop ALS.
17 August 2015, 10:53 AM ET
Some parents of newborns are opting out of all shots for the baby shortly after birth and unknowingly turning down the Vitamin K injection.
14 August 2015, 10:48 PM ET
Giving patients more control may prove a critical fix for the U.S. health care system.
14 August 2015, 09:44 PM ET
Vitamin K can save your baby's life, do not refuse the shot.
14 August 2015, 07:08 PM ET
Are vitamin E supplements risky? For most of us, the answer may be yes.
14 August 2015, 04:03 PM ET
A woman in Oklahoma who contracted Rocky Mountain spotted fever from a tick bite recently needed to have all four of her limbs amputated as a result of her infection. But exactly how does this disease cause such a severe complication?
13 August 2015, 06:11 PM ET
Former President Jimmy Carter has not revealed much about his recent cancer diagnosis, but an important part of caring for anyone with cancer is finding out where the disease started.
13 August 2015, 04:23 PM ET
Smartphone apps and wearable devices have the potential to help Americans improve their heart health. But right now, there's not enough evidence to evaluate whether all this technology actually helps people get healthier.
13 August 2015, 04:10 PM ET
Aquarium enthusiasts and people who work in aquarium stores should be aware that some types of coral produce dangerous toxins.
13 August 2015, 12:40 PM ET
Following a low-fat diet may help dieters lose more body fat than following a low-carb diet, according to a new study.
13 August 2015, 12:00 PM ET
The "exercise hormone" irisin has generated controversy among scientists — some have called the hormone a myth, but a new study says it proves irisin exists.
13 August 2015, 11:26 AM ET
People who receive organ transplants may have an increased risk of developing the deadly skin cancer melanoma, according to a new study.
13 August 2015, 07:27 AM ET
Some mental health problems require a therapist. Other times, we just need a mental readjustment. Here are 9 ways you can improve your mental health right now.
12 August 2015, 05:40 PM ET
California neighborhoods that have more medical marijuana dispensaries may also have more hospitalizations related to marijuana abuse or addiction, a new study finds.
12 August 2015, 10:29 AM ET
An accidental breach by an EPA cleanup crew sent 3 million gallons of acidic, heavy-metal-laden water into Colorado's waterways. How do you clean up a river? The answer is twofold: treatment and dilution.
12 August 2015, 07:34 AM ET
Although miscarriage is very common, secrecy about pregnancy loss has lent itself to pervasive myths.
12 August 2015, 07:32 AM ET
Intelligence is associated with longevity largely due to the influence of good genes, new research suggests.
12 August 2015, 01:17 AM ET
Vitamin C, also called ascorbic acid, is important to many functions in the body. Many fruits and vegetables are good sources of vitamin C. Research is mixed on whether it really helps treat the common cold.