The Pulse explores how the environment shapes biology. Turns out that influence goes deep, down to the molecular level — to th ...

Researchers are studying the factors that can make epigenetic changes to DNA. A mom's stress, diet and daily habits may become an inheritance of sorts for her kids.

Researchers say environmental factors could explain why some identical twins taste things differently

Coho salmon born in captivity are less likely to survive than those born in the wild, and scientists think captivity may be to blame.

As drug overdose deaths continue to soar, cities hit hard by the opioid crisis are considering a controversial new proposal: safe injecti ...

Vancouver is home to North America’s first, public supervised injection facility — and an explosion of spin-offs designed to prevent overdose deaths.

Rebroadcast: Happy Birthday, America! From the very beginning, science has shaped this country. Many of the Founding Fathers — Madison, ...

Sometimes it feels like the world is conspiring to make us pack on the pounds — we sit at desks all day, grab fast food on the run, and ...

A small group of insurers offers some members with serious illnesses medically tailored meals to improve their health.

Supporters say taxing sugary drinks is a boon for public health — detractors say the levy is a menace for low-income communities. Who’s right?

The Atlantic hurricane season is here — that time of the year when tropical storms whip their way in from the sea, cutting paths of des ...

Baby Jacob weighed less than a pound when Hurricane Maria hit Puerto Rico ripping into the hospital roof over his head.

In Puerto Rico's mountain towns, grassroots community groups are finding purpose and protection by making homemade mosquito nets.

As the island’s utility struggles to turn the lights back on, there’s a larger conversation about rebuilding better.

We have dogs to thank for pacemakers. We probably should be a little grateful to mice for the development of chemotherapy. Cows helped us ...