A monthslong NBC News data investigation finds that much of the U.S. currently doesn't have the protection needed to stop the spread of deadly diseases. St. Louis is a window into the problem communit...

Endlessly scrolling through social media while on the toilet could result in hemorrhoids, a new study found. Plus, experts say, it's gross.

Despite decades of evidence that fluoride prevents cavities, the agency said the best way to keep kids' teeth strong is to stop eating so much sugar.

Infants barely three days old are receiving antibody injections to help protect against the virus. Nearly 300 cases have been reported in the outbreak.

At least 49 cases have been confirmed. Health officials — who are scrambling to get a handle on the vaccine-preventable outbreak — suspect 200 to 300 people may be infected.

The site calls out workers who have been involved with DEI initiatives. A majority are Black.