Public Health

The South Carolina measles outbreak has triggered rare but serious brain swelling in some children

Dozens of routinely updated CDC databases have gone quiet. Here’s what states and medical societies are doing to preserve U.S. public health

There’s no safe level of exposure to lead—but a small, strange study shows we’ve made incredible progress in recent decades

Americans are living longer than ever but still well behind the life expectancy of other developed countries

Socializing children at a young age helps them develop greater diversity in their microbiome, according to an analysis of baby-to-baby transmission of gut bacteria

Scientists are using technology developed to study earthquakes to address an out-of-this-world risk

Cases of respiratory syncytial virus are increasing, but vaccines and antibody shots can keep young children out of the hospital

The U.S. has held its measles-free status for more than 25 years. Experts say unrelenting outbreaks in the past year may change that

Why the EPA’s air pollution rule change could make the air dirtier, how cancer survival hit a record-high, and what we know about the first-ever medical evacuation from the International Space Station

This clinical trial in Guinea-Bissau would withhold vaccination from some babies, sparking ethical concerns

Robert F. Kennedy, Jr.’s Centers for Disease Control and Prevention has slashed childhood vaccine recommendations in the middle of respiratory virus season

Why flu cases are spiking, how AI predicts disease from your sleep, and what surprising biomechanics lie behind woodpeckers’ powerful pecks.