Nurith Aizenman

Dr. Marie-Roseline Bélizaire had just gathered the members of her Ebola response team for a morning meeting when they heard the rat-a-tat of gunfire.

As holiday donations kick off with this Giving Tuesday, we're going to bring up an aspect of contributing to charity that makes a lot of us ... uncomfortable.

We're talking about the idea that every time we divvy up our money among good causes, we're making a moral judgment: Who is most deserving of our help and which outcomes are most valuable?

Over the past decade there has been a surge of interest in a novel approach to helping the world's poor: Instead of giving them goods like food or services like job training, just hand out cash — with no strings attached. Now a major new study suggests that people who get the aid aren't the only ones who benefit.

In the United States, drugmakers have flooded the market with powerful, sophisticated opioids. And that's fueled an epidemic of addiction. But across Africa many patients can't afford even mild painkillers — let alone medications to help people in extreme pain.

Uganda has come up with a solution that goes back to basics with one of the world's original painkillers: morphine.

The work is dirty, dangerous ... and thankless.

Sanitation workers in lower income countries often endure grueling conditions to perform a service that's vital to keeping their communities healthy. Yet their suffering has largely gone ignored — even by advocates for the poor.

Almost as soon as the e-cigarette maker Juul launched in the Philippines this past June, Maria Encarnita Limpin started noticing the product in shops all over the capital Manila.

"It's like they mushroomed," she says.

Limpin is a doctor specializing in lung disease and also directs a nonprofit that has helped push though rules preventing the marketing and sale of cigarettes to minors in the Philippines. So she was particularly horrified to see how visible Juul's vaporizers are in areas where children are likely to see them.

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The doctors and nurses who work in the heart of the Ebola outbreak zone in Democratic Republic of the Congo say they've had enough. For weeks they've been subjected to threats of violence and even actual assaults. On Wednesday they gave the government an ultimatum: Improve security within one week or we'll go on strike.

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