The C.D.C.’s tobacco control office has been shut for more than a year. After its most prominent antismoking campaign went off the air, calls to 1-800-QUIT-NOW lines have plummeted.

Over the years, I have moved toward the way of being Jewish that my father rejected.

Ukraine has changed how militaries use Patriot systems. But recent attacks prove that clever adaptations cannot overcome a shortage of interceptors.

As President Trump cools on the alliance, its members see Turkey’s large military and vibrant defense sector as assets.

The makers of nicotine pouches are building new plants and expanding to meet demand. While influencers claim health benefits, experts warn the products can be highly addictive.

Popular communication methods for nonspeaking autistic people have ignited a fierce debate over what counts as evidence of hidden cognitive abilities.