12 March 2014, 02:39 AM ET
So we can learn a lot about how the brain works by studying people who have specific difficulties, for example those who have had a brain injury, or who develop dementia.
12 March 2014, 02:33 AM ET
Heroin is an opiate drug and a high potential for abuse.
11 March 2014, 03:07 PM ET
A young adult's personality may hold clues to his or her health later in life, so perhaps doctors should assess their patients' personalities during checkups, a new study says.
11 March 2014, 12:51 PM ET
One woman's uncommon ability to fight her HIV infection may provide new insights for developing a vaccine that triggers a special immune response against the viral disease, researchers said.
11 March 2014, 10:53 AM ET
A woman who complained of a rapidly expanding waistline was actually suffering from a mucus-filled, 88-lb. ovarian cyst, a new case report reveals.
11 March 2014, 09:28 AM ET
For people with knee osteoarthritis, taking the supplement glucosamine may not decrease the loss of knee cartilage or pain, at least in the short term, new study finds.
11 March 2014, 09:16 AM ET
After doctors initially missed a pregnancy complication, a woman gave birth to a healthy baby girl that was growing outside her uterus, in her abdomen.
10 March 2014, 06:30 PM ET
Girls born with a low birth weight may be at increased risk for fertility problems as adults, a new study from Sweden suggests.
10 March 2014, 04:00 PM ET
Bullying is associated with suicidal thoughts in youth, a new study finds.
10 March 2014, 08:02 AM ET
Parents are often completely engrossed in their mobile phones while sharing a meal with their children, researchers report.
10 March 2014, 03:06 AM ET
A simple laser scan could quickly identify pathogens in food and in the environment.
07 March 2014, 07:50 PM ET
Thomas Cook just celebrated the proud milestone of 25 years with a donated heart.
07 March 2014, 04:44 PM ET
Obese teenagers who don't get an adequate amount of sleep are more likely to develop certain diseases.
07 March 2014, 02:53 PM ET
If you buy a smart pedometer or fitness tracker like a Fitbit, chances are it will encourage you to take 10,000 steps a day. But do you really have to walk this much to be healthy?
07 March 2014, 02:11 PM ET
Fitness trackers can get dirty, sweaty or smelly, especially if you wear them on the wrist while exercising. Here's what you need to know to clean almost any fitness band, quickly and effectively.
07 March 2014, 12:48 PM ET
Coupons for fresh produce are hard to find, but there are ways to save money when buying your fruit and vegetables.
07 March 2014, 11:59 AM ET
Offering free contraception won't exactly lead to free love, it turns out. A study of women using free contraception shows they did not show an increase in risky sexual behavior over time.
07 March 2014, 11:30 AM ET
One state ranks first in both frequent exercise and vegetable consumption, according to a new Gallup-Healthways poll.
07 March 2014, 11:14 AM ET
A new Gallup-Healthways poll ranks states by the percentage of people who say they exercise three times a week for at least 30 minutes.
07 March 2014, 09:12 AM ET
Women who give birth to 10 or more children may have a reduced risk of cancer, a new study from Finland suggests.
07 March 2014, 09:02 AM ET
A new way of printing a 3D liver replica may guide surgeries, preventing complications. The new technique could also be used to guide face transplants and other complicated operations.
07 March 2014, 09:02 AM ET
A new way of printing a 3D liver replica may guide surgeries, preventing complications.
07 March 2014, 01:13 AM ET
Aspirin is a common pain reliever. Learn how aspirin works, what "baby aspirin" is for, what aspirin's side effects are, and whether you should give aspirin to your dog.
06 March 2014, 05:51 PM ET
The death of Oscar-winning actor Philip Seymour Hoffman from a heroin overdose in February cast a harsh spotlight on heroin abuse in the United States and elsewhere, though few people actually know what heroin is or how it works.
06 March 2014, 04:00 PM ET
The complication is highly rare, but taking care of wrinkles on the forehead can cause permanent damage to the eye, a new report shows.
06 March 2014, 11:49 AM ET
A new intravaginal ring could protect against HIV, herpes and pregnancy, which could address women's needs in developing countries for both family planning and sexually transmitted disease protection.
06 March 2014, 11:29 AM ET
Although e-cigarettes have been marketed as a way to help people quit smoking, a new study finds that teens who use the products often smoke regular cigarettes as well.
06 March 2014, 09:14 AM ET
So you have a new plan to lose weight or build your muscles, and you want to track your progress. You might consider a virtual nutrition counselor to help you along the way. But with so many apps and software on the market, how would you choose one?
06 March 2014, 07:05 AM ET
Researchers have new details about how the body tells time.
06 March 2014, 07:03 AM ET
President Obama's 2015 Budget proposes to double federal funding for the BRAIN Initiative from $100 million to $200 million.
05 March 2014, 05:40 PM ET
High levels of some hormone-mimicking chemicals, phthalates, in men, is linked to delayed pregnancy in their female partners.
05 March 2014, 05:36 PM ET
Young men with early-stage prostate cancer who undergo surgery right away, instead of waiting to see how their cancer progresses, may have a reduced risk of death from the disease over the long term, a new study from Scandinavia suggests.
05 March 2014, 04:52 PM ET
Though U.S. research on LSD was banned in 1966, researchers in Europe are now reassessing its potential benefits. Doctors in Switzerland recently completed an LSD experiment examining the drug's effect on patients with anxiety.
05 March 2014, 04:11 PM ET
Alzheimer's disease may be the third major cause of death in the U.S., after heart disease and cancer, according to a new study
05 March 2014, 01:44 PM ET
The dry conditions in California have only worsened winter haze, so regulators are implementing burn bans to prevent soot from accumulating.
05 March 2014, 10:24 AM ET
Poop can say a lot about a person's health. Here are 5 things to look for.