Americans told to toss romaine lettuce over E. coli fears

U.S. health officials are telling consumers to throw away any store-bought romaine lettuce they have in their kitchens and are warning restaurants not to serve it amid an E. coli outbreak

CDC expands warning to consumers over tainted romaine lettuce

The government is now warning all romaine lettuce, not just chopped, be tossed.

53 reported cases of E. coli linked to romaine lettuce: CDC

CDC recommends that romaine lettuce from Yuma, Arizona be thrown out.

Belly fat is bad for your heart, researchers say

The location of your fat is just as important as the amount of it.

WATCH: Belly fat is bad for your heart, researchers say

The location of your fat is just as important as the amount of it.

Zimbabwe nurses’ strike a test of new government

Zimbabwe nurses’ strike a test of new government after 16,000 fired for seeking more pay

Been told you have a penicillin allergy? There is chance it’s not real

A new study shows the benefits of removing penicillin allergy labels for kids.

UN health agency: Hungarian scientist exposed to Ebola

The World Health Organization says it has helped ship an experimental Ebola vaccine and drugs to treat a laboratory scientist in Hungary who was exposed to the potentially deadly disease in an accident earlier this month

UK Supreme Court declines appeal from parents of ill toddler

Britain’s Supreme Court has declined to hear appeal by parents who want to take terminally ill toddler to Italy for treatment

WATCH: Are you actually allergic to penicillin?

Dr. Jennifer Ashton discusses what to know about a new study that suggests a majority of children who have a penicillin allergy can take penicillin-based antibiotics without a problem.

WATCH: How to nail the plank and push-up to get your summer abs and arms

The plank is a simple exercise that can be done anywhere at anytime, but its benefits are countless.

How to nail the plank and push-up to get your summer abs and arms

Tone House head coach Christi Marraccini demonstrates must-try tips.

Inside the resort where celebrities train for $7,800 per week

Wellness-goers at The Ranch hike up to four hours a day.

WATCH: CDC warns: Throw out store-bought chopped romaine lettuce

Officials say at least 53 people have become sick in 16 states.

Woman says doctors ignored cancer symptoms because of her weight

A woman who alleges that she was misdiagnosed by doctors because of her weight is sharing her story.

Gender equality in the sciences is improving, but more work is needed

A study reviewed more than 11 million published studies.

Junk food TV advertising likely highest when kids are watching, study says

A study looked at a year of TV ads on a major, free channel in Australia.

WATCH: Woman says her doctor told her she was just fat, when in fact she had cancer

Rebecca Hiles is speaking out after she says she was misdiagnosed and body-shamed by her doctor who dismissed her health concerns.

These are the best times to exercise to lose weight, run faster

Daniel Pink studied the science of timing for his book, “When.”

Even a mild head injury increases risk for Parkinson’s disease, veterans study shows

A new study has found that even a mild head injury, commonly called a concussion, makes veterans more likely to get Parkinson’s disease later on in life.

WATCH: Even a mild head injury increases risk for Parkinson’s disease, veterans study shows

The researchers looked at veterans with a history of traumatic brain injury.

WATCH: Meet the teacher who lost 100 pounds, then ran the Boston Marathon

Andy Bell appears live on “GMA” to share his inspirational health journey and how he changed his life around and became a finisher at one of the world’s most exclusive marathons.

What to know about diverticulitis, after Sen. John McCain’s surgery

The condition is very common in the U.S. and doesn’t always need surgery.

Here’s why you need to start asking your doctor to check your blood pressure twice

One out three adults has high blood pressure in the United States.

WATCH: Moms who have depression early on may have kids with lower IQ scores: Study

Mother-child pairs were tracked and evaluated over 16 years in the study.

WATCH: Is caffeine good for your heart?

Cardiologist Dr. Jennifer Mieres appears live on “GMA” to discuss what to know about a new study that suggests caffeine might be good for your heart.

HHS secretary recovering from painful intestinal condition

HHS Secretary Azar recovering from diverticulitis and will be reducing some work activities

WATCH: Dermatologist sheds light on the downsides of squeaky-clean skin

Dr. Whitney Bowe opens up about her new book “The Beauty of Dirty Skin” and shares her top tips for clear skin live on “GMA.”

Sen. McCain has intestinal surgery, is recovering in Phoenix

McCain’s office says he’s had intestinal surgery needed to stem an infection.

WATCH: Could caffeine be good for your heart?

Studies suggest regular coffee use protects patients from atrial fibrillation.