Health care workers in Brazil fumigate mosquitoes

The Zika Outbreak Is Officially An International Health Emergency

Because of the possible link to birth defects, the World Health Organization declared the spread of the Zika virus an international health emergency.

 | Steven Sparkman

Oswaldo Cruz Hospital staff prepare to draw blood from baby Lorrany Emily da Silva (R), who has microcephaly, on January 26, 2016 in Recife, Pernambuco state, Brazil.

Zika Virus Prompts Brazilian Petition For More Legal Abortion Access

The Zika virus outbreak in Brazil prompted a petition for more access to legal abortion.

 | Samantha Crook

Israeli mothers are seen taking part in a breast-feeding course on November 12, 2003 Moshav Udim, central Israel.

Breastfeeding Could Save More Than 800,000 Children's Lives A Year

New studies have uncovered more health benefits for both mothers and children.

 | Ben Lawson

Baby with Zika

The Zika Virus Is Spreading And Has 'Pandemic Potential'

The World Health Organization is highly concerned about the Zika virus spreading as more cases are reported.

 | Melissa Prax

A woman reaching for apples at the grocery store.

The Science Behind Why Some Fruits Help Your Waistline

A new study looks at why eating certain fruits and vegetables may make it easier to get back on the scale.

 | Katie Link

Neurons under a microscope

A Root Cause Of Schizophrenia May Have Finally Been Found

For the first time, scientists have pinpointed a single gene that can shape a person's risk of developing schizophrenia.

 | Steven Sparkman

The a female mosquito begins to bite the photographer's hand at Everglades National Park August 12, 2002 in Flamingo, Florida.

Arkansas Officials Confirm Zika Virus Case, And It Could Spread

Health officials expect the virus to spread throughout the Americas. On Monday, it was confirmed that an Arkansas resident had the illness.

 | Matt Moreno

Photo of Whole Foods Market

Whole Foods Recalls About 74,000 Pounds Of Mislabeled Frozen Pizza

The pizza labels said they had uncured beef pepperoni, but they really had uncured pork pepperoni, according to a press release from the USDA.

 | Briana Koeneman

A pregnant woman holds her stomach.

Zika Virus Prompts Pregnancy Advisories And More CDC Travel Warnings

Countries in South America and Central America are urging women not to get pregnant because of the suspected birth defect the virus might cause.

 | Samantha Crook

Dole Pre-Packaged salad sits on the shelf at a Bell Market grocery store.

Multistate Listeria Outbreak Linked To Dole Facility In Ohio

The Centers for Disease Control and Prevention says 12 people in six states have listeriosis linked to the facility. Another person has died.

 | Ben Lawson

A picture of a Tinder profile.

A New Tinder Feature Helps You Find STD Testing Centers

If you're unsure about your STD history, you should definitely get tested before going on that date with Mr. or Ms. Right.

 | Lexie Hammesfahr

A graphic of a baby born with gastroschisis.

More Babies Are Being Born With Intestines Outside Their Bodies

Scientists don't know why the U.S. has seen a spike in babies born with a condition that causes their intestines to form outside their bodies.

 | Ben Lawson

A vendor makes noodles for customers at a snack booth.

35 China Restaurants Under Probe For Seasoning Food With Opium Poppies

China's Food and Drug Administration is investigating 35 restaurants after opium was allegedly found in their dishes.

 | Melissa Prax

A model prepares backstage ahead of the Fashion Week Highlight Show Presented by Marie Claire as part of Mercedes Benz Fashion Festival Sydney 2012 on August 24, 2012 in Sydney, Australia.

A Potentially Toxic Chemical In Nail Polish Can Seep Into Your Body

Researchers say the chemical, also used in flame retardants and plastic, was absorbed into the wearers' blood streams after their nails were painted.

 | Ryan Biek

Scented candles.

Scented Candles Might Create Harmful Formaldehyde In Your Home

A recent study suggests the chemical emitted from citrus-scented candles might combine with ozone to create formaldehyde, which can cause cancer.

 | Briana Koeneman

Vials containing biological samples are stored on ice before being analysed to see how they are affected by chemotherapy drugs.

Cancer Treatment Is Helping People With Multiple Sclerosis Walk Again

A common cancer treatment is being tested in the U.K. to "reboot" the immune system in patients with MS.

 | Christine Slusser

People watching TV and working out

What You Watch At The Gym Can Mean More Than You Think

The type of program you watch while exercising could have an impact on your overall workout.

 | Cody LaGrow

A sign showing that the Chipotle Mexican Grill seen at 1924 Beacon St. is closed.

Chipotle Stores Will Close For A Few Hours For A Companywide Pep Talk

After the health scares at Chipotle restaurants in late 2015, execs announced all employees would join a companywide discussion about food safety.

 | Briana Koeneman

A medical worker shows capsules.

French Clinical Trial Leaves 1 Comatose, 5 Others Hospitalized

France's Ministry of Health said in a statement the six participants had been taking part in the trial of an oral medication at a lab in Rennes.

 | Briana Koeneman

A Liberian health worker in protective clothing holds a child suspected of having Ebola.

West Africa Is Ebola-Free, But The Virus Could Easily Return

West Africa has been declared Ebola-free after no one tested positive in the last 42 days, but health officials are still concerned about flare-ups.

 | Grant Suneson

Amputee wearing the Infinite Socket stretches

If Prostheses Were Shoes, They'd Have Been Updated Already

Not every company at CES was pushing a new app or cool gadget. LIM Innovations has a wearable of sorts that's improving the lives of amputees.

 | Leah Becerra

A container of EOS lip balm.

Woman Sues EOS For 'Flaking And Bleeding' Lips

EOS is under fire after a lawsuit alleged its lip balm caused one woman severe pain and cracked lips.

 | Katie Link

Joe Biden will be at the forefront of the fight against cancer

Here's What Vice President Biden's Cancer 'Moonshot' Will Try To Do

President Obama said he wants to "make America the country that cures cancer once and for all," and he's putting Biden in charge of that initiative.

 | Grant Suneson

A man holds a sign directing people to an insurance company where they can sign up for the Affordable Care Act, also known as Obamacare, before the February 15th deadline on February 5, 2015 in Miami, Florida.

Obamacare's Almost Six Years Old. Has It Been Working?

The Affordable Care Act is getting close to being six years old — but is it working? If you're looking at how many folks are insured, yes.

 | Jake Godin

doctors on strike in England

Contract Disputes Send Junior Doctors On Strike In England

Junior doctors picketed outside hospitals in England Tuesday in protest of proposed contract changes.

 | Katie Link

Sad woman sitting alone in canyon

We're Entering A New Era In How We Treat Depression

A flood of new antidepressants are being developed to help patients feel better in a few hours rather than a few weeks.

 | Steven Sparkman

Morgan Vincent smokes a hookah pipe at the Hookah Nites Cafe January 18, 2006 in San Jose, California. The ancient Middle-Eastern practice of smoking flavored tobaccos through a tall, ornate water pipe, better known as hookah, has become increasingly popular throughout the United States.

Study Finds Hookah Delivers 25 Times More Tar Than A Cigarette

Researchers say hookah — now more popular than cigarettes among teens — is much heavier on tar, smoke, nicotine and carbon monoxide.

 | Ryan Biek

water faucet

Everyone's Pointing Fingers Over The Water Crisis In Flint, Michigan

The water crisis in Flint, Michigan, has finally been recognized by the state's governor. So who dropped the ball along the way?

 | Katie Link

A silhouette of a group of jumping friends

Key Ingredient To New Year's Health Goals: Friends

According to a new study in Proceedings of the National Academy of Sciences, a strong social network appears to play a key role in physical health.

 | Meredith Miles

The one month old quadruplets sleep prior to leaving the Tongji Hospital with their mother, Deng Qin, and father, Deng Weijun, to go back home on July 27, 2007 in Wuhan of Hubei Province, China.

The Secret To Staying Young May Be Having More Children

Researchers found a correlation between women giving birth to more children and longer caps of DNA strands –– an indicator of slowed aging.

 | Ryan Biek