15 February 2014, 09:06 AM ET
A week before Maggie Worthen was due to graduate from Smith College, she suffered a severe brain stem stroke, leaving her unable to move or speak. She was 22 years old. Maggie's doctors diagnosed her as being in a persistent vegetative state. But Maggie's
14 February 2014, 10:54 PM ET
Very active or athletic young woman who experience bone injuries, irregular menstrual cycles and less energy may be prone to this condition.
14 February 2014, 10:20 PM ET
Better treatments for prostate cancer may emerge from studies of prostate stem cells.
14 February 2014, 10:05 PM ET
Poison ivy is a toxic plant that causes an itchy and sometimes painful rash in most people when they touch it.
14 February 2014, 03:01 PM ET
Eyes, not only windows to the soul, but also to the health of a person as well.
14 February 2014, 09:42 AM ET
A proposed law in California would require sodas and other sugar-sweetened beverages to carry a warning label describing the potential health risks of the beverages.
13 February 2014, 06:30 PM ET
Quitting smoking is known to have benefits for physical health, including a reduce risk of cancer and heart disease, but a new study suggests that giving up the habit may improve mental health as well.
13 February 2014, 12:34 PM ET
A potential new test for persistent Lyme disease uses an organism that's known to be good at picking up diseases: ticks.
13 February 2014, 11:01 AM ET
Pregnant women have an increased risk of developing blood clots, and now a new study shows this risk remains elevated for at least 12 weeks after delivering a baby — twice as long as previously thought.
13 February 2014, 10:15 AM ET
People with chronic viral or bacterial infections may face an increased risk of thinking and memory problems later in life, according to a new study.
12 February 2014, 07:42 PM ET
Implicit memory uses past experiences to remember things without thinking about them, like how to ride a bike or button a shirt.
12 February 2014, 07:00 PM ET
The short answer is that it’s a lot safer than not cutting it off.
12 February 2014, 05:00 PM ET
A woman in Taiwan had an unusual cause of her ear pain: a fruit fly larva was wriggling around inside her ear canal.
12 February 2014, 05:00 PM ET
A 61-year-old woman with rheumatoid arthritis suffered a serious repercussion of her condition: The irises of her eyes began to protrude, and she needed immediate surgery, according to a new report of her case.
12 February 2014, 04:03 PM ET
The people at highest risk for suffering from food poisoning are seniors, pregnant women, young children, and those with chronic diseases.
12 February 2014, 02:06 PM ET
A method for taking 3D movies of live sperm could help fertility clinics select the most viable cells for fertilization. Sperm motility is an important predictor of in vitro fertilization (IVF) success. The new technique captures the wiggly movement and b
12 February 2014, 01:36 PM ET
WARNING: This video may be disturbing to some viewers.
When doctors discovered blood after removing a 48-year-old woman's hearing aid, they found a live fruit fly larva while examining her ear canal.
12 February 2014, 12:34 PM ET
Natural disasters can create conditions that put survivors at risk for fungal infections, which are often overlooked, a new report from the Centers for Disease Control and Prevention states.
12 February 2014, 12:06 PM ET
Scientists working to develop brain-computer interfaces for disabled people have created a system that allows a person to control a quadcopter with only their mind.
12 February 2014, 10:30 AM ET
The weather may influence people's risk of stroke, a new study finds.
12 February 2014, 10:20 AM ET
Building personalized treatments has long been a goal of cancer treatments, but testing them can be difficult. By using bio-fabricated 3D tissue, researchers are able to test which customized treatments work best.
11 February 2014, 07:01 PM ET
People who live farther north, in colder climates, tend to have more of the intestinal microbes associated with obesity compared to those people at more southern climates.
11 February 2014, 07:00 PM ET
It may seem like a fairly fundamental question, but there is still debate over whether viruses should be considered a form of life.
11 February 2014, 06:34 PM ET
An estimated 1 in 14 women worldwide is sexually assaulted by someone other than a partner, a new study has found.
11 February 2014, 06:30 PM ET
Yearly mammograms in middle-age women do not reduce breast cancer deaths — these tests are essentially as good as physical examination alone, according to a new 25-year study from Canada.
11 February 2014, 04:25 PM ET
Quitting smoking is a healthy step, but it can be exceedingly difficult. Here's a look at the science-proven tips that can make quitting easier.
11 February 2014, 04:00 PM ET
In recent years, several states have passed bills that make it harder for children to gain exemptions from getting the vaccinations schools usually require, and ethicists say this trend is a good one.
11 February 2014, 04:00 PM ET
Just two doses of the human papillomavirus (HPV) vaccine may considerably reduce the risk of developing genital warts, although getting the required three doses provides the most protection, a new study from Sweden suggests.
11 February 2014, 03:59 PM ET
Sales of bacon are at an all-time high, much to the chagrin of health experts, and the cured meat is now found in everything from martinis to candy. Has America become a bacon nation?
11 February 2014, 03:27 PM ET
NBC anchor Bob Costas will take a night off from hosting the networks' Olympics broadcast because of an infection that spread to both his eyes. The news might have you wondering: Why is pink eye so contagious?
11 February 2014, 10:06 AM ET
Pink eye, also known as conjunctivitis, develops when the transparent membrane, or conjunctiva, lining the eyelid and the white part of the eyeball gets inflamed. You can get pink eye from someone else if their bacterial or viral infection passes to you.
10 February 2014, 07:11 PM ET
As Valentine's arrives, how can you prevent a broken heart?