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The federal marijuana bill would amend the Controlled Substances Act to exempt plants with a low percentage of THC.

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This won't be the AIDS-free generation updated 2 days ago

In the United States, 26% of all new HIV infections are among young people ages 13 to 24. Yet only 1 in 5 high school students is tested for HIV.

5 studies you may have missed updated 3 days ago

Parents believe their obese kids are healthy, sleep deprivation can make you create false memories and other things we learned this week.

CDC lab resumes shipping of TB samples updated 3 days ago

A lab crucial to diagnosing cases of drug-resistant tuberculosis at the CDC has reopened. The TB lab at the CDC was closed after recent safety issues.

4 common beginner triathlete questions updated 3 days ago

Tackling your first triathlon? Even the best triathletes in the world started somewhere -- and made their share of rookie triathlon mistakes.

Ebola outbreak: Is it time to test experimental vaccines? updated 3 days ago

Nearly 40 years after Ebola was discovered, there is still no cure. But could experimental vaccines protect people from the killer disease?

Chief Ebola doctor overseeing cases in Sierra Leone contracts the virus updated 3 days ago

An Ebola doctor in Sierra Leone has become infected with the disease, the Ministry of Health said. Learn more about the Ebola outbreak in Sierra Leone.

New abuse-deterrent painkiller approved updated 3 days ago

The Food and Drug Administration approves Targiniq ER, a drug that relieves pain while at the same time deterring misuse.

Study: Obamacare gave 10 million Americans health insurance updated 3 days ago

About 10 million Americans gained health coverage this year, primarily as a result of the Affordable Care Act, also known as Obamacare.

Stem Cells Fast Facts updated 3 days ago

Here's a look at what you need to know about stem cells.

More stores affected by listeria fruit recall updated 4 days ago

Listeria may have contaminated fruit sold at Whole Foods, Trader Joe's, Costco, Kroger and Walmart. See the fruits being recalled due to possible listeria.

Train like a lady lumberjack updated 4 days ago

Shana Verstegen started logrolling when she was 7. She's now a six-time world lumberjack champion with six-pack abs.

CDC lab director resigns after anthrax incident updated 4 days ago

The head of the bioterrorism lab involved in potentially exposing dozens of workers at the CDC to deadly anthrax bacteria has resigned.

FAQ: What the Obamacare court decisions mean for you updated 5 days ago

Two U.S. appeals courts have issued conflicting rulings on Obamacare subsidies. Kaiser Health News answers your questions.

Spanking the gray matter out of our kids updated 5 days ago

The effects of spanking may include less gray matter in certain areas of the brain that have been linked to depression, addiction and self-control.

Incontinence: 5 myths about the sudden urge to 'go' updated 5 days ago

Urinary incontinence affects about 25 million Americans. Talk to your doctor to get help for incontinence symptoms.

Identifying the genetic roots of schizophrenia updated 6 days ago

After analyzing the DNA of 150,000 people, scientists say they can pinpoint the genetic roots of schizophrenia.

7 things to know about epilepsy updated 6 days ago

An estimated 2.3 million adults in the United States have epilepsy. Actress Sky McCole Bartusiak was one of them.

MERS may be airborne, scientists say updated 6 days ago

The Middle East Respiratory Syndrome Coronavirus, better known as MERS, may be an airborne virus. Learn more about how MERS may be transmitted.

Debilitating case of mosquito-borne chikungunya reported in U.S. updated 7 days ago

Chikungunya -- a mosquito-borne virus with a funny name -- packs a wallop and has taken up residence in the U.S.

Girl loses 65 pounds in fight against childhood obesity updated 7 days ago

As the childhood obesity epidemic hit home, parents around the country are struggling to figure out how to help their kids lose weight.

'Marathon' style helped her lose 100 pounds updated 7 days ago

To lose weight, Nicole Durham skipped dieting and focused on a "marathon" approach -- eating healthy and exercising. See her weight loss success.

Smallpox Fast Facts updated 8 days ago

Smallpox, a contagious and sometimes fatal infectious disease, was recently found in storage at NIH. Here's what you need to know about smallpox.

Anthrax Fast Facts updated 8 days ago

Anthrax is an acute infectious disease caused by bacterium Bacillus anthracis. Here's what you need to know about anthrax.

Stressed women, saving yourself from sitting: 5 studies you may have missed updated 9 days ago

Five studies you may have missed: niacin and your heart, stressed women get fat, a better HPV test, and why sitting may not be so bad if you are fit.

Firefighter obesity a big problem updated 9 days ago

More than 70% of firefighters are overweight or obese. Learn what's causing the problem and how a volunteer firefighters' group is trying to help.

Epidemic of overtreatment of prostate cancer must stop updated 9 days ago

Studies found that a large number of American men with prostate cancer get unnecessary and aggressive treatment, Dr. Otis Brawley says.

CDC's lab problems have ripple effect on other outbreaks updated 10 days ago

The lab mishaps at the Centers for Disease Control and Prevention are having "broad impacts."

Ebola 2014: Death toll, new cases on the rise in Africa updated 11 days ago

High numbers of new Ebola cases and deaths in Africa are prompting increased efforts to contain the deadly outbreak.

5 things you didn't know about Alzheimer's updated 11 days ago

More than 35 million people worldwide live with dementia. Learn how you can potentially prevent Alzheimer's disease.

Veterans waiting longer for cancer care updated 11 days ago

Researchers found waits from cancer diagnosis to surgery were longer at VA centers for all cancer types, when compared to waits at community hospitals.

CDC director: Anthrax exposure 'never should have happened' updated 11 days ago

Recent safety incidents have put a damper on the CDC's reputation, members of Congress said Wednesday.

Anthrax investigation: USDA finds more CDC lab problems updated 11 days ago

USDA investigation into the anthrax exposure incident at the CDC turns up other lab safety problems, including carrying hazardous material in Ziplock bags.

21: Science's limit when it comes to the drinking age updated 12 days ago

The national drinking age isn't based on clear science about the difference between 18- and 21-year-old brains.

9-year-old girl dies from brain-eating amoeba in water updated 12 days ago

A brain-eating amoeba that lurks in fresh water has prompted warnings from Kansas officials after it killed a 9-year-old girl.

Best hospitals ranked for 2014 updated 13 days ago

Looking for the best U.S. hospitals? See highlights from the U.S. News & World Report's 2014 rankings of best hospitals to get started.

Medical marijuana research stalls after Arizona professor is let go updated 14 days ago

A well-known medical marijuana researcher at the University of Arizona says a study on veteran with PTSD has cost her job.

Couple shed 280 pounds and get noticed for the right reasons updated 14 days ago

In 2011, Robert and Jessica Foster weighed a total of 614 pounds. Today, they're nearly unrecognizable.

Can heart attack damage be reversed? updated 14 days ago

In a new study, scientists are using stem cells taken from the hearts of organ donors to grow new tissue.

HIV/AIDS Fast Facts updated 14 days ago

Here's a look at what you need to know about AIDS and HIV globally, with a special focus on Africa.

Anthrax investigation turns up 'distressing' issues at CDC updated 16 days ago

An unintended anthrax exposure investigation turns up another "distressing" lab safety problem at the CDC.

New drug uses the stink in the stink bomb to treat the heart updated 16 days ago

An old children's ditty goes: "Beans, beans, they're good for your heart. The more you eat, the more you...." Well, you know.

5 studies you may have missed updated 16 days ago

Obesity shortens your life more than smoking -- and four other things we learned this week in health.

300-mile bike ride after I lost my arm updated 16 days ago

After losing his arm earlier this year, Miles O'Brien will participate in the 300-mile Less Cancer Bike Ride from Port Huron to Mackinac, Michigan.

CDC: Smallpox found in NIH storage room is alive updated 16 days ago

Deadly smallpox was in at least two of the vials NIH employees found in unused storage room, the CDC says. Smallpox has been eradicated since the 1980s.

Virus detected in baby 'cured' of HIV updated 17 days ago

A Mississippi baby scientists said was "functionally cured" of HIV now has detectable levels of the virus. Learn more about the Mississippi baby HIV case.

Run4Wilbs: Inspiring a community to change updated 17 days ago

CNN Fit Nation participant Mike Wilber always wanted to run a 5K, but he was too out of shape. Thanks to Fit Nation, now he has!

Colorado teen birthrate drops 40% with low-cost birth control updated 17 days ago

Teen pregnancy costs millions of dollars annually. A Colorado free contraception program may have found a way to solve the problem.

Can meditation really slow aging? updated 18 days ago

Researchers are trying to show that meditation could help counter the aging process.

3 good yoga poses for runners updated 18 days ago

Running yoga can be a great way to prevent injury and keep your body in top form. See three yoga poses for runners to get started.

Think twice before you skip the stirrups: Why I will still get a pelvic exam updated 18 days ago

Have a pelvic exam or not? A new study says skip, but Elizabeth Cohen learns the data the report uses is sketchy.

5 things you may not know about post-traumatic stress updated 18 days ago

Post-traumatic stress can be caused by exposure to war, violence or a traumatic event. See five things about post-traumatic stress that might surprise you.

Beating the bulge: Brazil's burgeoning obesity problem updated 19 days ago

Once known for its slender beach bodies, half of Brazilians are now overweight. What's the reason?

IUD may carry higher risk for breast cancer in certain women updated 19 days ago

A new study finds that women using a progesterone-releasing IUD to help with heavy periods may have a higher than expected incidence of breast cancer.

Forgotten vials of smallpox virus found updated 19 days ago

Vials of the smallpox virus have been found at NIH. Health officials say no one was exposed to the smallpox found in an unused NIH lab.

New York legalizes medical marijuana updated 19 days ago

New York became the latest state to permit the use of medical marijuana on Monday.

Ebola outbreak: 11 African nations agree to plan to tackle deadly epidemic updated 20 days ago

The health ministers of 11 African nations agree to a joint strategy to try to stem Ebola's deadly advance.

5 reasons to drink coffee before your workout updated 20 days ago

Half of Americans start their day with coffee. Exercising after downing a cup of coffee may offer a weight-loss advantage.

Mad Cow Disease Fast Facts updated 20 days ago

Mad Cow Disease is a transmissible fatal brain disease found in cattle. See what you need to know about Mad Cow Disease.

He lost 153 pounds, won his first triathlon updated 20 days ago

Kerry Hoffman started working out five days a week and tracking his calories to go from 343 pounds to 190.

Nearly 1 in 5 high school seniors have tried hookah updated 21 days ago

Hookah bars are becoming more popular in the United States as teens trade cigarettes for other forms of tobacco, including smoking hookah.

California firm recalls chicken over salmonella fears updated 23 days ago

A California company is recalling an unknown amount of boneless chicken sold in eight states over salmonella fears, federal officials said.

What makes me so tasty? 5 myths about mosquito bites updated 23 days ago

Mosquitoes are annoying pests that can carry incurable viruses. See the facts behind five mosquito myths to help prevent the itch and keep your health.

Get off the sideline and into the race updated 24 days ago

Only a few short months ago, I was a spectator. Now I'm a triathlete.

Ebola virus: Can nations stop deadliest ever outbreak from spreading? updated 24 days ago

African ministers and health experts are meeting in Ghana with one thing on their minds: how to stop the biggest ever outbreak of the Ebola virus from extending its deadly reach still further.

Staying safe when the lights go out updated 24 days ago

Power outages and evacuations can pose safety issues, especially for those managing chronic illnesses. Some tips to stay safe without electricity.

Bad teeth? Blame your genes updated 25 days ago

Tooth decay is one of the most common chronic diseases worldwide. The health of your teeth relies on a combination of genetics and dental hygiene.

Restaurants slacking on cutting sodium from meals, report says updated 25 days ago

Many Americans are trying to reduce their sodium intake. But restaurants aren't making it easy, says a Center for Science in the Public Interest report.

'Breakthrough' stem cell study retracted updated 25 days ago

It was hailed as an easy, uncontroversial way to make stem cells. But researchers are retracting the study that had "several critical errors."

DIY plastic surgery leads to horrific injuries updated 25 days ago

Patients are bypassing doctors just to save some money on do-it-yourself plastic surgery. It can be disfiguring and life-threatening.

Can you OD on caffeine? updated 26 days ago

Is a caffeine overdose a real thing? Find if you can really have a caffeine overdose and how many cups of coffee are safe to drink.

Medical myths: What doctors thought they didn't need to say updated 26 days ago

Common knowledge when it comes to all things health and medicine might not be so common after all.

Childhood vaccines are safe. Seriously. updated 26 days ago

A new vaccine study reports that side effects from childhood vaccines are incredibly rare. See what the new vaccine study recommends for kids.

'Drastic action is needed' now to stop Ebola epidemic updated 26 days ago

The World Health Organization says "drastic action is needed" to stop the Ebola virus outbreak.

Dads' brains are ready to bond with kids updated 27 days ago

Scientists know mothers are neurologically prepared to care for their kids. But fathers' brains can learn to bond, too, a new study shows.

Avian Flu Fast Facts updated 27 days ago

Bird flu, or avian flu, is an illness that usually affects only birds. Learn about bird flu symptoms and how bird flu spreads to humans.

Study highlights five keys to diabetes prevention updated 27 days ago

Diabetes prevention can be as simple as changing one aspect of your life -- such as eating healthier or exercising more. See five diabetes prevention tips.

Diabetes Fast Facts updated 27 days ago

Diabetes is a disease that affects millions of people in the U.S. See what you need to know about diabetes and learn about diabetes symptoms.

Funding for Golden Gate Bridge suicide barrier approved updated 28 days ago

District directors approve plans for a $76 million suicide prevention net on San Francisco's Golden Gate Bridge.

Down 120 pounds, she's running but no longer hiding updated 28 days ago

After a miserable trip to Las Vegas, Sarah Evans vowed to lose weight and enjoy her future. Evans lost 120 pounds with running.

Train like an athlete, score a body to match updated 28 days ago

Use these athletic training strategies to train your body, gain muscle and lose weight.

H1N1 U.S. Fast Facts updated 29 days ago

Here's a look at what you need to know about the H1N1 influenza virus, also known as swine flu. There was a pandemic outbreak across the globe which lasted from 2009 to 2010.

Meningitis Fast Facts updated 29 days ago

Here's a look at what you need to know about meningitis.

West Nile Virus Fast Facts updated 29 days ago

West Nile virus is an illness spread by infected mosquitoes. Learn about West Nile virus symptoms and statistics.

Tuberculosis (TB) Fast Facts updated 29 days ago

Here's a look at what you need to know about Tuberculosis (also known as TB), an infection, caused by a bacterium called Mycobacterium tuberculosis, that mainly affects the lungs. It can also infect other parts of the body including the kidneys, spine and brain.

Obesity in U.S. Fast Facts updated 29 days ago

Here's a look at what you need to know about obesity in the United States. Obesity is achieved when a person reaches a particular body mass index.

Are you a heavy drinker? You'd be surprised updated 30 days ago

A female "heavy drinker" is someone who has 8 or more drinks a week, for a guy it's more than 14 the CDC says.

Joan Lunden, former 'GMA' host, talks about her battle with breast cancer updated 30 days ago

Former "Good Morning America" co-host Joan Lunden discusses her battle with breast cancer

Heatstroke: A summer danger updated 32 days ago

Heatstroke can cause permanent disability or death if not treated immediately. Learn about heatstroke symptoms, treatment and prevention.

Free pregnancy tests to be placed in Alaska bars updated 32 days ago

To combat fetal alcohol syndrome, researchers in Alaska will be installing free pregnancy test dispensers at bars.

Does cereal have too many vitamins for kids? updated 32 days ago

Fortified cereals may contain excess amounts of some nutrients for kids, a recent EWG report says. Here's what you need to know about nutrients in cereals.

World Vitiligo Day: Skin disease takes emotional toll updated 33 days ago

Vitiligo is an incurable skin disease that affects roughly 100 million people worldwide. Michael Jackson had the most well-known case of vitiligo.

Case of girl who fought for adult lung transplant leads to policy change updated 33 days ago

The case of Sarah Murnaghan, 11-year-old who got new lungs from an adult donor, brings a change in transplant policy.

It's time to get your brain in shape updated 33 days ago

In honor of Alzheimer's & Brain Awareness Month, spend some time getting to know your brain. Exercising neurons can improve your memory.

Ebola epidemic in West Africa 'out of control' updated 34 days ago

The Ebola virus outbreak in West Africa has hit "unprecedented" proportions, according to relief workers.

Deep brain stimulation offers hope for OCD patient updated 34 days ago

Deep brain stimulation has been used to treat nervous system disorders. Now doctors are testing it on depression and OCD.

What is Marfan syndrome? updated 34 days ago

Isaiah Austin's dreams of playing in the NBA were extinguished by a rare genetic disease called Marfan syndrome. Learn the symptoms of Marfan syndrome.

CDC lab leader reassigned during anthrax investigation updated 34 days ago

A CDC lab leader has been reassigned pending the completion of the CDC's anthrax investigation, a spokesman says.

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