WPPB

Susie Neilson

The U.S. has the worst rate of maternal deaths in the developed world.

The FDA has approved a new drug that promises a simpler and far more effective treatment for drug-resistant tuberculosis. But not everyone is celebrating.

Doctors Without Borders has concerns about a critical bottom-line issue: How much will the drug cost in poor and middle-income countries, where most TB patients reside?

The stakes are so high because the difference between the new regimen — involving a drug called pretomanid — and the current drug regimen is so dramatic.

Updated at 3:37 p.m. ET

After a mass shooting at a Walmart in El Paso, Texas, that left 22 people dead, the company said it would remove from its stores all signs, displays or videos that depict violence in an internal memo.

What if you could put a drop of water into a miniature laboratory — not much bigger than a smartphone — and find out whether the water contains the bacterium that causes cholera?

A simple test like that could help prevent outbreaks of the disease, which sickens as many as 4 million and kills up to 143,000 each year, mostly in poorer countries.

The ancient disease of cholera is spread primarily through drinking water that contains the bacterium called Vibrio cholerae.

When we smear on sunscreen, dermatologist Kanade Shinkai with the University of California, San Francisco says, most of us don't think about it getting under our skin.

"I think there was an assumption that these are things that we apply to our skin — they don't really get into our bloodstream," Shinkai says.

As an ingredient, sesame is pretty popular— it's in tahini and sushi; it's often mixed in granola, sprinkled on bagels or used as a flavoring in an array of dishes. But according to new research, this may be a problem for a substantial number of Americans.

Scientists don't know much yet about the long-term effects of "vape juice," the liquid used in e-cigarettes and vaporizers. But researchers analyzing the liquid and the vapor produced when it's heated say some kinds of e-liquids are reacting to form irritating chemicals called acetals while they're sitting on shelves.

Updated at 4:36 p.m. ET

Maryland leaders and residents are condemning a series of tweets by President Trump on Saturday that attacked Rep. Elijah Cummings and derided the black congressman's district as "a disgusting, rat and rodent infested mess."

The Justice Department's announcement that the federal government will resume its use of capital punishment has raised questions about the drugs it plans to use.

Graduate student Shahab Haghayegh has long had trouble sleeping. But when the biomedical engineering student began his doctoral program at the University of Texas at Austin five years ago, his issues worsened. "I would go to bed at 3 or 4 a.m. and wake up at 8 a.m.," he says. The exhausted Haghayegh was getting an average of just 4 or 5 hours sleep a night.

Living with anxiety can be tough — your thoughts might race, you might dread tasks others find simple (like driving to work) and your worries might feel inescapable. But loving someone with anxiety can be hard too. You might feel powerless to help or overwhelmed by how your partner's feelings affect your daily life.

If so, you're not alone: Multiple studies have shown that anxiety disorders may contribute to marital dissatisfaction.

In 1969, Charles Bourland flew to Houston to interview for a food scientist position at NASA's Johnson Space Center. From his hotel's lobby, he watched with millions of Americans as Apollo astronauts took their first steps on the moon.

It was a "pretty impressive thing" to witness while considering a NASA job, he remembers with a chuckle.

For Ayesha, a gender equality activist from Sierra Leone, fighting sexism means defying tradition. In her home country, girls are often married young and may be discouraged from going to school. To challenge these practices, the 21-year-old may have to stand up to a respected community leader.

"You are constantly walking on eggshells," she says. (Plan International, which partners with Ayesha, asked that her last name not be used to protect her from backlash caused by the issues she addresses.)

The number of cases of children entering the foster care system due to parental drug use has more than doubled since 2000, according to research published this week in JAMA Pediatrics.

New Zealand's first gun buyback in the wake of the Christchurch shooting attracted more than 150 gun owners on Saturday, according to law enforcement officials.

The buyback, which took place in Christchurch, is the first of more than 250 planned nationwide this year.

Serena Williams went into the Wimbledon finals on Saturday hoping to secure her 24th Grand Slam singles title — an accomplishment that would have equaled the record set by Margaret Court in the 1970s.

But after losses in two sets — 6-2, 6-2 — she fell to 27 year old Simona Halep, who with the victory became the first Romanian player to win a singles title at Wimbledon.

The win marked Halep's second major singles title — she previously won the the French Open in 2018.

When Menzi Mngoma decided to get a job as an Uber driver, it was mostly out of necessity. The 27-year-old has a fiancé, kids and his parents to support, and his life's passion, opera, wasn't paying the bills. But he was also making a bet. "You need to be well-connected to go overseas," he told NPR. Though he's currently based in Durban, South Africa, Mngoma dreams of becoming an international musical sensation; he thought that driving Uber might help him make connections with people who could further his career.

Heart disease is the leading cause of disability and death worldwide. About 2,200 people in the U.S. die per day due to cardiovascular problems, or one every 40 seconds.

With that in mind, if you knew that you could help keep your heart healthy by eating just a little bit less every day — about six standard-size Oreos' worth of calories — would you?

Mussels may be popular among seafood lovers, but many boaters consider them pests. They colonize ship bottoms, clog water pipes and stick to motors.

Editor's note: This story has been updated to include comments from Juul.

Popular e-cigarette company Juul's November 2018 commitment to stop marketing its products to youth on social media may have done little to curb the brand's reach among young people.

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