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Firsts can be life changing — think about your first kiss, your first time behind the wheel of a car. But what about the first time you got a prescription for a narcotic?

James Hatzell, from Collingswood, NJ, is now a technology officer for a college addiction treatment program. He didn't realize it at the time, but that spring day of his junior year of high school — seven years ago — was a pivotal moment in his life.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

MICHEL MARTIN, HOST:

When Lucille Horn was born in 1920, the odds of her managing to live out the year were long. A premature infant, Horn was just 2 pounds — small enough to be held in her father's hand. Her twin had died at birth, and at that point it looked for all the world as if she would soon, too.

Instead, with the help of an enterprising doctor and a rather odd sideshow at New York's Coney Island, Horn would go on to live another 96 years. She died on Feb. 11, according to Hungerford & Clark Funeral Home, nearly a century after nearly every expert told her parents she would.

It was a balmy Sunday evening in early 1999, and Dr. Kaw Bing Chua hadn't had lunch or dinner.

There wasn't time to eat. Chua was chasing a killer. And he thought maybe he had finally tracked it down.

He slid the slide under the microscope lens, turned on the scope's light and looked inside. "A chill went down my spine," Chua says. "The slide lit up bright green, like bright green lanterns."

When You Love An Old Dog, Managing Care Can Be A Challenge

Feb 25, 2017

The notion of dog years stems from the common belief that one year for a dog equals seven years for a human. Although canine aging is more nuanced than a simple formula, any dog lover knows that dogs' lives pass far too quickly.

Even so, America's 70 million dogs, like their human companions, are living longer, on average, because of better medical care and nutrition. Caring for elderly dogs can be heart-wrenching. Many pet owners struggle to understand when to pursue aggressive care and when to stop and help a beloved pet pass on.

In recent days, several Republican lawmakers have faced crowds of constituents at town hall meetings around the country who are angry that they may be in danger of losing their health coverage.

Many studies designed to try out new drugs simply languish. They don't attract enough patients, and they aren't completed. That slows medical progress.

But here's a story of one study that has bucked that trend — in fact, it is so popular, scientists had to put the brakes on it for a while.

In the Wilmington neighborhood of Los Angeles, residential streets dead end at oil refineries. Diesel trucks crawl through, carrying containers from nearby ports. Longtime resident Magali Sanchez Hall says the pollution from all that has taken a toll, right on the street where she lives.

"The people that live here, the mother died of cancer," she says, pointing to a modest one-story home. "The people that live here, three people died of cancer."

Part 3 of the TED Radio Hour episode The Spirit Of Inquiry.

About Kevin Jones' TED Talk

Sometimes, doctors just don't have the answers. Surgeon Kevin Jones says having the humility to acknowledge this leads to better medicine.

About Kevin Jones

Indiana expanded Medicaid under the Affordable Care Act in 2015, with a few extra conditions that were designed to appeal to the conservative leadership in the state. The Federal government approved the experiment, called the Healthy Indiana Plan, or HIP 2.0, and it is now is up for another three-year renewal.

The Justice Department may step up enforcement of federal marijuana laws in states that have voted to legalize its recreational use, according to White House press secretary Sean Spicer.

"I do believe think you'll see greater enforcement of it," Spicer said, during his daily press briefing. He added that the Department of Justice will be looking into the issue further.

This week United Nations officials declared that a famine in South Sudan is growing — fueled by a deadly combination of drought and conflict. They estimate that nearly 4 million people are already struggling to get enough food. And officials expect the famine will spread to more areas in the coming months affecting an additional 1 million people.

Meanwhile the threat of famine is looming over three other countries: Nigeria, Somalia and Yemen, putting a total of 1.4 million children at risk of death this year.

Some students, principals, parents and attorneys have condemned the Trump administration's decision to remove some federal protections for transgender students.

Those protections had been issued by President Barack Obama, who cited the federal Title IX law, and instructed public schools last year to allow transgender students to use restrooms and locker rooms that match their gender identities.

The Arkansas Supreme Court has struck down a local law that protected people in the city of Fayetteville from discrimination on the basis of sexual orientation or gender identity.

Arkansas is one of a handful of states where it is illegal for local governments to pass anti-discrimination laws that cover classes of people not already protected under state law.

When winter freezes Lake of the Woods in northern Minnesota, the landscape becomes dotted with sturdy wooden or metal shacks and canvas shelters. Inside them, people are ice fishing.

The sport attracts people to the frigid winter lakes in Canada and the northern United States. Some take it seriously enough to partake in official competitions. But for most people, it is a way to enjoy time with family, friends and perhaps a bottle of schnapps, and ultimately a delicious fish dinner from the day's efforts.

To Test Zika Vaccines, Scientists Need A New Outbreak

Feb 23, 2017

Researchers are eager to test promising vaccines against Zika, the virus that sparked a global health emergency last year.

But uncertainty over whether the Zika epidemic will continue affects researchers' ability to finish testing vaccines. They need locations with an active viral outbreak to conduct large-scale human trials and make sure the vaccine actually protects against disease.

For nearly a century, people have reported mysterious epidemics of permanent paralysis in rural regions of Africa. In 1990, Hans Rosling a Swedish epidemiologist and pop-star statistician, who died of pancreatic cancer earlier this month, linked the malady to cyanide in the staple crop, cassava.

No matter where you stand on the political spectrum, health care under the Affordable Care Act is going to change in the next few years. The Republican-led Congress has vowed to "repeal and replace" the health law known as Obamacare.

That has left many people anxious and confused about what will happen and when. So NPR's Morning Edition asked listeners to post questions on Twitter and Facebook, and we will be answering some of them here and on the radio in the weeks ahead.

Scientists around the United States are getting ready to do an unprecedented experiment: They plan to march en masse in Washington, D.C., and other cities on April 22, to take a stand for the importance of public policies based on science.

Some researchers predict that this March for Science will release much needed energy and enthusiasm at a time when science is under threat; others worry it will damage science's reputation as an unbiased seeker of truth.

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