If we don’t act on climate change, we’re looking at a future with more refugee camps, malnutrition, diarrheal disease and asthma. Here’s why cutting out fossil fuels isn’t just good for the planet — it’s critical for our health, says global health expert Jonathan Patz MD MPH.

The coronavirus numbers are climbing at an alarming rate across the US, and we all bear some responsibility for decreasing the number of cases and deaths. Here are 12 actions that you can take to do your part, from public health expert Pamela M. Aaltonen.

Global health expert Alanna Shaikh shares how she stays on top of — and not drowned by — the tidal wave of COVID-19 news coming at all of us.

Many young people are turning to pornography for information. With this reality comes an opportunity: We can utilize it to start important conversations with them about sex and relationships, says public health researcher Emily Rothman.

Physicians Raj Panjabi and Seth Berkley are on a mission to ensure that every person in the world has access to decent medical care. In a conversation, they discuss the obstacles standing in their way and the bold ideas that could help overcome them.

In the Appalachian firefly Photinus carolinus, flying males flash in synchrony with their neighbors, creating a symphony in light. Photo by Radim Schreiber.

Sara Lewis studies fireflies. And it turns out they’re not just a pretty flashing light on a summer night. She explains how a firefly glows — and how humans are harnessing that glow for health and medical research (and even to make our food safer).

Catharine Young describes a visit to Liberia, where Ebola may be contained but the public health story has only just begun.