The 29-year-old smiled at reporters upon arriving at the airport in Beijing Thursday, telling them he felt "great." But he declined to elaborate on his whereabouts since he was first reported missing.
A study finds that for countries worldwide, the "democratic experience" — through free and fair elections — plays a larger role than GDP in easing the burden of chronic diseases.
Researchers are using brain scans, blood and spinal fluid to detect early signs of Alzheimer's disease. These "biomarkers" may also offer a quicker way to test new Alzheimer's drugs.
The streaming content giant said it will stop showing smoking or e-cigarette use in future shows unless it is "essential." New research finds tobacco imagery on popular shows has skyrocketed.
After an investigation by journalists found the Methodist hospital system had filed 8,300 lawsuits in five years, the hospital announced it will be "reviewing" its policies in the next 30 days.
Alaska Gov. Mike Dunleavy slashed $130 million, or 41%, from the budget of a university system that serves more than 26,000 students. Layoffs, elimination of programs and campus closures are likely.
Courtney Irby had taken her husband's guns from his home, and given them to police. At the time he was under arrest for allegedly ramming her car with his.
Amid tweets by President Trump that he still wants the 2020 census to ask about citizenship, an official says the Justice Department has been told to find a way to make that happen.