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Adolescents with severe obesity who had bariatric surgery showed significant improvements in cardiovascular disease risk factors such as elevated blood pressure and high cholesterol.

Sessions faced lawmakers, fielding questions about Russian interference and the Trump campaign's contacts with Russians. He stood by prior testimony but sought to change his recollection of events.

With most of the island still without electricity, some Puerto Ricans are hoping to follow the example of developing world countries — and turn to the sun for power.

The last time the Senate Ethics Committee voted to expel a senator was 1995. The Packwood case is newly relevant in light of the allegations of sexual misconduct swirling around Congress.

Truckers complain they work in one of the nation's most overregulated industries. Advocates worry rolling back safety regulations will make highways more dangerous.

The medication fights hookworm. It's one of several drugs for "neglected tropical diseases" that are priced differently in the United States than they are in the developing world.

Austria adopted a face-veil ban in recent months and is seeing a rise of vandalism at Muslim businesses and mosques. The new Austrian government denies it is ostracizing Muslims.

We asked doctors, researchers and aid workers to look into the future. Here's what they foresee.

In more than a dozen U.S. states, laws prohibit pregnant teens from getting epidural anesthesia during labor, or even some kinds of prenatal treatment, without a parent's consent.

Guest bloggers Henry Wellman and Kimberly Brink reflect on their new study shedding light on how adults, older children and young children perceive human-like robots — and what the future might hold.