The stimulants Ritalin and Adderall have been used to treat attention-deficit/hyperactivity disorder (ADHD) for decades, but research shows they don’t act on the brain’s attention circuitry as had long been assumed. Instead, the medications primarily target the brain’s reward and wakefulness centers, according to a new study published in the journal Cell. The research, which used brain imaging data from almost 5,800 children ages 8 to 11, also pointed toward the important role that lack of sleep

In a time of fast mechanical headways, various arising advances are ready to alter different businesses and reshape the way

An earthquake in Indonesian waters set off small tsunami waves Thursday morning, killed at least one person and damaged houses and buildings, officials said. The magnitude -7.4 earthquake was centered in the Molucca Sea at a depth of 35 kilometers (22 miles), the U.S. Geological Survey said. Tsunami waves were recorded at several monitoring stations less than half an hour later, including in Bitung with a height of 20 centimeters (8 inches) and in West Halmahera with a height of 30 centimeters