A detailed comparison of mouse and human brain tissue found differences that could help explain why mice aren't always a good model for human diseases.
Washington Post journalist Scott Higham says recently released evidence shows the drug industry purposely shipped big quantities of opioids to communities without regard for how they were being used.
Mayors from 70 American cities send a letter to the Trump administration, saying a plan to push millions of people out of the federal food stamp program would punish some of the country's neediest.
Some addiction treatment clinics offer IV infusions of a mix of supplements — including something known as NAD. The treatment isn't proven to work and is not FDA-approved for addiction.
The World Health Organization says that the tiny particles of plastic found everywhere in the environment do not appear to pose any significant risk to human health.
NPR visited the only lab in the world known to be trying to use the powerful gene-editing tool CRISPR to modify the DNA in human sperm. If successful, it could be used to prevent genetic disorders.
Picture a hairless, wrinkly rodent about the size of a small sweet potato — kinda cool, kinda weird. They also are extraordinarily long-lived. Researchers are lining up to study their secrets.
The U.S. recycling industry is facing a quandary: Too much of the plastic we use can't be recycled, and taxpayers increasingly are on the hook for paying for all that trash to hit the landfills.