18 April 2014, 04:40 PM ET
For the international day of celebrating all things weed, April 20, here are some quick facts about this controversial, mind-altering plant.
18 April 2014, 04:00 PM ET
Why is nutritionist Katherine Tallmadge being attacked by conservatives?
18 April 2014, 02:57 PM ET
Everyone knows the feeling: it begins with that insidious tickle in the back of your nose, then comes the gasping intake of breath and the final, cathartic blast: a sneeze.
18 April 2014, 02:20 PM ET
Although texting and talking on the phone can be hazardous for young drivers, old-fashioned distractions such as loud conversations and rowdy passengers may be more likely to lead to car crashes, a new study suggests.
18 April 2014, 12:59 PM ET
Although forgetting is normal and vital to how the brain works, it sometimes happens in strange or unexplained ways.
18 April 2014, 12:23 PM ET
The start of spring signals many things, one of which is the start of allergy season.
18 April 2014, 12:13 PM ET
Women with mutations in the BRCA1 gene are at high risk for breast and ovarian cancer. Early research suggests that existing drugs may help prevent this type of breast cancer.
18 April 2014, 09:04 AM ET
When U.S. Navy hospital corpsman Marshall Peters returned from a tour of duty in Kandahar, Afghanistan, in 2010, he couldn't sleep. He felt depressed and anxious, and hated being around crowds or loud noises.
18 April 2014, 09:03 AM ET
Warrior Canine Connection utilizes the healing power of the human-animal bond to help Warriors in recovery from post-traumatic stress and traumatic brain injury.
17 April 2014, 09:37 PM ET
People taking fish oil supplements, or any type of supplements, should know why they're taking them, and what the risks are.
17 April 2014, 08:53 PM ET
People who used a fitness tracker to help their weight loss efforts lost more weight and kept it off, compared with people who didn't use the devices, a new study shows.
17 April 2014, 05:23 PM ET
Knowledge of basic life processes can pave the way for medical advances and more.
17 April 2014, 05:14 PM ET
Monitoring flu-related Wikipedia hits may help scientists estimate the severity of a flu season, according to a new study.
17 April 2014, 05:06 PM ET
A new oral medication to treat ragweed allergies has been approved by the food and drug administration, the agency announced today.
17 April 2014, 04:11 PM ET
Officials in Portland, Ore., are flushing 38 million gallons of public drinking water after a 19-year-old was caught on camera urinating into an open reservoir on Wednesday (April 16).
17 April 2014, 02:35 PM ET
There is some research that indicates meditation may help with allergies, anxiety, asthma and other conditions.
17 April 2014, 02:15 PM ET
Rates of some foodborne infections rose in the U.S. in 2013, according to a new report that calls for more work to reduce illnesses from eating contaminated food.
17 April 2014, 01:25 PM ET
The highly drug-resistant type of the bacteria methicillin-resistant Staphylococcus aureus (MRSA) was found to be related to a MRSA strain that has been circulating among people in the United States.
17 April 2014, 11:10 AM ET
Having a baby is a wonderful and joyous experience. Learn about the science of pregnancy: how to conceive, what happens to the mother-to-be's body and how the fetus develops.
17 April 2014, 11:07 AM ET
For some elderly people, apathy may be a signal that the brain is shrinking a bit faster than normal, a new study suggests.
17 April 2014, 10:17 AM ET
The toxicity of hobo spider bites to humans has been a matter of scientific debate, but a new study seems to suggest they may not be too toxic after all.
17 April 2014, 02:36 AM ET
Forget about anti-ageing creams and hair treatments. If you want to stay young, get a fast spaceship. That is what Einstein’s Theory of Relativity predicted a century ago, and it is commonly known as “twin paradox”.
17 April 2014, 02:17 AM ET
The salt debate has filled the pages of health magazines and newspapers for years. So where are we in the salt debate?
16 April 2014, 06:55 PM ET
At least one in 20 U.S. adults, or 12 million people yearly, may be misdiagnosed when they go to see their doctors, a new study suggests.
16 April 2014, 05:25 PM ET
The Timex Ironman Run Trainer 2.0 is a GPS-enabled watch that runners of all levels can use to log workouts and measure their performance by viewing data about time, distance and heart rate. Here is how the watch performed in several categories.
16 April 2014, 05:00 PM ET
Rates of certain serious, diabetes-related health problems have decreased substantially in the last two decades, according to a new study from the Centers for Disease Control and Prevention.
16 April 2014, 05:00 PM ET
Plastic surgeons reattached the ear of a woman after it was torn off during a pit bull attack, suturing together a tiny artery to bring blood flow to the ear and using leeches to drain the spent blood.
16 April 2014, 05:00 PM ET
A young man in Brazil who suffered from throbbing headaches and vision problems for 10 years turned out to have stone-like build-ups of calcium in his brain.
16 April 2014, 01:37 PM ET
Grunting, clawing, and sensing a hair-covered body with cloven feet and elongated nails are symptoms of people who strongly believe they are werewolves. A researcher dug through the annals of psychiatry to find how common the condition is.
16 April 2014, 12:17 PM ET
Bats' ability to fly may protect the organisms from becoming ill with a range of viruses known to be deadly to humans, including Ebola and rabies, according to a new hypothesis.
16 April 2014, 03:04 AM ET
Herbs and other diet supplements are the most commonly types of complementary medicine in the United States.
16 April 2014, 12:00 AM ET
Teenagers who most strongly conform to ideas about gender marketed by certain industries may be more likely to engage in behaviors that pose risks to their health.
15 April 2014, 08:12 PM ET
Post-traumatic stress disorder (PTSD) can occur after a person experiences a traumatic event, such military combat, a natural disaster, or a crisis such as 9/11.
15 April 2014, 07:51 PM ET
The liver is a vital organ that supports nearly every other organ to some capacity. You cannot live without a healthy liver.
15 April 2014, 07:29 PM ET
Sudden infant death syndrome (SIDS), sometimes called crib death, is the sudden and unexpected death of a child under 1 year old that cannot be explained by other causes.
15 April 2014, 05:51 PM ET
The FuelBand SE is an activity tracker from the sports company Nike that allows you to track your activity and compare it with others in the Nike+ community.