27 August 2014, 04:38 PM ET
Chickenpox is a contagious disease characterized by many itchy, red bumps all over the body. Later in life, adults can develop a similar condition called shingles.
27 August 2014, 04:19 PM ET
People who experience generalized anxiety disorder (GAD) exhibit excessive anxiety and worry about multiple events or activities most days of the week.
27 August 2014, 01:00 PM ET
Scientists manipulated mice brain cells using light and changed the emotional aspects of their memories.
27 August 2014, 12:56 PM ET
Teams around the world are competing to build a medical device that could diagnose diseases and monitor people's health — just like the fictional "tricorder" featured in the sci-fi series "Star Trek."
26 August 2014, 06:06 PM ET
Dental plaque is a sticky, clear film of bacteria that forms on teeth. It causes dental problems, so plaque should be removed regularly.
26 August 2014, 05:49 PM ET
Married couples who smoke pot are less likely to behave violently toward each other, according to a new study.
26 August 2014, 03:49 PM ET
For people with multiple sclerosis, working out on a Wii balance board may bring on brain changes that lower the risk of falls, a new study finds.
26 August 2014, 03:16 PM ET
Collaborative care that increases communication between families and doctors may help teenagers with depression receive quality care for their condition.
26 August 2014, 02:54 PM ET
Robert Manzolillo, a skier, biker, hiker and physical therapist – himself a Multiple Sclerosis patient – uses Nintendo Wii board play to improve balance. Dr. Karen Blitz, director of North Shore-LIJ Hospital explains the favorable brain changes.
26 August 2014, 09:24 AM ET
People with a rare disease called stiff person syndrome, or SPS, might benefit from a type of stem cell transplant that has been used to treat patients with leukemia and multiple sclerosis, researchers say.
26 August 2014, 02:00 AM ET
The extent of the current Ebolavirus outbreak in West Africa has belatedly focused the attention of non-governmental organisations, local and Western governments, and international media.
25 August 2014, 06:36 PM ET
Obsessive-compulsive disorder, or OCD, is a mental disorder characterized by persistent thoughts and ritualistic behaviors that interfere with daily life and relationships.
25 August 2014, 05:55 PM ET
The U.S. Food and Drug Administration warns the public about dietary-supplement products that claim to prevent or treat concussions and traumatic brain injuries.
25 August 2014, 05:19 PM ET
In states where medical marijuana is legal, the rates of deaths caused by painkiller overdoses are lower than in states where medical marijuana is illegal, a new study has found.
25 August 2014, 04:38 PM ET
If you've ever woken from a deep sleep in a confused state and didn't remember the experience later, you may have a condition sometimes called "sleep drunkenness."
25 August 2014, 03:36 PM ET
Certain types of gut bacteria could ward off food allergies, according to a new study in mice.
25 August 2014, 01:41 PM ET
Data from people who wear fitness tracker Jawbone UP shows how everyone's sleep was affected through the South Napa Earthquake.
25 August 2014, 09:02 AM ET
The American Heart Association issued a new policy recommendation that calls for tougher regulation of the access, marketing and sale of electronic cigarettes to minors.
22 August 2014, 09:56 PM ET
The future of rehabilitation may be as much about art as science.
22 August 2014, 08:06 PM ET
Chronic lower-back pain is one of the most common complaints, but no single therapy has been proven to work.
22 August 2014, 06:53 PM ET
Genetics plays a big role in how susceptible people are to hangovers, a new study finds.
22 August 2014, 04:28 PM ET
Experience with Ebola survivors in Africa suggests that the two American Ebola patients who recovered from the disease are now immune to the strain of the virus that infected them.
22 August 2014, 02:31 PM ET
A man in Europe who tried to "breathe fire" wound up in the emergency room with pneumonia, after inhaling and swallowing the fuel called paraffin.
22 August 2014, 02:17 PM ET
The viral campaign has many elements of success that are rarely achieved together. But to know the real value of a campaign, one has to examine it in the context.
22 August 2014, 01:44 PM ET
This new generation walking stick combines the benefits of a whitestick with the guidance of a seeing-eye dog without the need for long, expensive trainings or the necessary clean up.
22 August 2014, 07:04 AM ET
Patients with paralysis and other neuromotor disorders ‘paint’ pictures through ‘Embedded Arts,’ a rehabilitation biofeedback program created by researchers at Ohio State University. As time perception became suspended, patients felt less pain.
21 August 2014, 01:54 PM ET
Dr. Kent Brantly, an American doctor who contracted the Ebola virus in West Africa, is cured of the disease and was released today from Emory University Hospital in Atlanta.
21 August 2014, 10:51 AM ET
Environmental activist Hilton Kelley tours his childhood home in Port Arthur, Texas now abandoned due to toxic chemicals from refineries at the terminus of the proposed Keystone XL Pipeline.
20 August 2014, 05:20 PM ET
Military personnel who fly drones, and may be stationed far from the battlefields and bloodshed of war, may still suffer PTSD after their tours of duty, a new study finds.
20 August 2014, 04:39 PM ET
A new ad campaign in Colorado that likens people who smoke marijuana to "lab rats" is intended to steer teens away from using pot, but some communication experts say the campaign is unlikely to be effective.
20 August 2014, 02:33 PM ET
The toxin used commonly for beauty treatment may prove useful in treating stomach cancers, new research in mice suggests.
20 August 2014, 01:32 PM ET
Trials that test some types of alternative medicine, such as homeopathy and Reiki, should be stopped because the therapies are not grounded in science, some researchers argue.