There is no one factor that causes autism — or explains its growing prevalence. Researchers are seeking explanations for the surge. Read More

When it comes to weeding out corporate influence, Robert F. Kennedy Jr.’s ideas often align best with some of Read More

An analysis of newly released 19th-century census records offers more insight into the conflict’s costs.Read More

If every emergency room in the United States were fully prepared to treat children, thousands of lives would be saved Read More

Robert F. Kennedy Jr., who has long voiced doubts about vaccine safety, has hopes of influencing federal health policy. Could Read More

For many, Covid is increasingly regarded like the common cold. A scratchy throat and canceled plans bring a bewildering new Read More

It’s the fifth summer of Covid, and most people seem eager to move on. We want to understand the Read More

The temperatures inside delivery trucks can reach twice the recommended threshold, but federal rules on drug storage conditions do not Read More

High temperatures and humidity can alter the components in many home-delivery medications, rendering them less effective. Here’s what to Read More