19 September 2014, 08:19 PM ET
What's behind the percussive symphony? And is it okay to crack your knuckles?
19 September 2014, 02:58 PM ET
In a new recommendation this flu season, the Centers for Disease Control and Prevention says that the nasal spray is the preferred flu vaccine for kids ages 2 to 8. Here's what you need to know.
19 September 2014, 02:21 PM ET
Staying physically active in older ages may help keep brain connections intact, a new study suggests.
19 September 2014, 11:26 AM ET
Kids' lunches may lack one important nutrient: calcium. Here are some ideas for getting more calcium into a brown-bag lunch.
19 September 2014, 02:06 AM ET
How many of us really understand what testosterone is, what it does, and why it’s important?
18 September 2014, 06:59 PM ET
Spinal stenosis is a narrowing of the spinal canal. As the canal narrows, it puts pressure on the spinal cord or nerve roots, causing pain, numbness or other problems.
18 September 2014, 04:06 PM ET
A single dose of a commonly prescribed antidepressant drug quickly and dramatically changes how "in sync" different parts of the brain are, new research suggests.
18 September 2014, 02:16 PM ET
Harvard's Wyss institute is developing the exosuit by studying the biomechanics and physiology of human walking. Its is still in the research and development phase and not available commercially.
18 September 2014, 01:54 PM ET
More U.S. children and adults are getting vaccinated against the flu, but public health officials say there's room for improvement in vaccination rates.
18 September 2014, 01:40 PM ET
Toronto Mayor Rob Ford has been diagnosed with an extremely rare and fast-growing tumor.
18 September 2014, 08:00 AM ET
The Pentagon wants to give patients with chronic conditions self-healing superpowers.
18 September 2014, 12:11 AM ET
Cycling's small seats have long provoked caution in men — but is that fear misguided?
17 September 2014, 09:54 PM ET
A variety of healthy foods and beverages helps a mother-to-be provide the important nutrients a baby needs for growth and development.
17 September 2014, 07:39 PM ET
Rheumatoid arthritis is a chronic disease in which the immune system attacks the joints.
17 September 2014, 04:53 PM ET
Women with symptoms of posttraumatic stress disorder (PTSD) may be more likely to have food addiction, or a feeling of dependence on food, a new study suggests.
17 September 2014, 04:39 PM ET
The American commitment to fighting Ebola matters — it's more than a shot in the arm.
17 September 2014, 01:00 PM ET
Artificial sweeteners that many believe may curb real sugar consumption and weight gain, may actually have an opposite effect and increase blood sugar levels, a new study says.
17 September 2014, 11:25 AM ET
A small study of hog workers in North Carolina found that many carried staph bacteria (Staphylococcus aureus) and some carried drug-resistant strains of the bug, including MRSA.
16 September 2014, 11:00 PM ET
A material that mimics shark skin, covered with tiny ridges and groves, may help reduce the spread of bacteria in hospitals, a new study suggests.
16 September 2014, 07:35 PM ET
Restless legs syndrome (RLS) is a disorder characterized by an intense urge to move the legs. The impulse can be so strong that an individual is unable to resist.
16 September 2014, 06:55 PM ET
If the Ebola outbreak in West Africa is not stopped now, hundreds of thousands of people in the region could be infected with the deadly virus, President Obama said today.
16 September 2014, 04:00 PM ET
The average waist circumference of U.S. adults continuously expanded in the past decade, even though average body mass index went essentially unchanged during the same time, according to a new study.
16 September 2014, 02:58 PM ET
A new international survey reveals how nations rank when it comes to well-being of their residents.
16 September 2014, 02:30 PM ET
A new international survey, the Gallup-Healthways Global Well-Being Index, reveals how 135 countries rank when it comes to the well-being of their residents.
16 September 2014, 09:47 AM ET
The Ebola virus is currently causing a devastating and unprecedented outbreak in West Africa, but could the virus create a doomsday scenario by becoming airborne?
15 September 2014, 09:04 PM ET
Chronic fatigue syndrome is a puzzling medical condition characterized by extreme fatigue, impaired memory, joint and muscle pain, tender lymph nodes, and sore throat.
15 September 2014, 05:00 PM ET
Kegel exercises and bladder training are effective ways to treat urinary incontinence in women, and should be tried before the use of drug treatments, according to new recommendations.
15 September 2014, 10:49 AM ET
Every year, more than 34,000 U.S. children go to the emergency room for accidentally ingesting prescription drugs such as opioid painkillers and anti-anxiety pills, and about 9,500 of these kids get hospitalized, a new study estimates.
15 September 2014, 07:42 AM ET
People who smoke marijuana on a weekly or daily basis may use the drug to cope with negative emotions, such as distress and irritability, a new study suggests.
14 September 2014, 07:00 PM ET
Walking to work is not only good for your body; it may also benefit your psychological health, a new study from England suggests.
12 September 2014, 06:39 PM ET
Lupus is a chronic disorder in which the immune system attacks otherwise healthy cells. It is characterized by fatigue, joint pain and rashes.
12 September 2014, 06:28 PM ET
Working out while pregnant is safe, and has benefits for both the mother and baby.